The Materials Atlas

すべて · 121 希土類元素 · 18 航空宇宙・防衛材料 · 10 農業用鉱物 · 3 バッテリー材料 · 5 銅・電気材料 · 4 エネルギー原材料 · 7 工業用鉱物 · 35 核物質 · 5 貴金属 · 10 半導体材料 · 11 鉄鋼・合金金属 · 13

重要鉱物 · 63 戦略的 · 36 副産物のみ · 27 エネルギー転換 · 26 建設 · 25 防衛 · 24 半導体チェーン · 17 大規模リサイクル可能 · 8 磁石チェーン · 8 食料チェーン · 6 送電網チェーン · 2

並び替え: 棚名称世界生産量埋蔵量米国の輸入依存度全スクリーナー → 周期表 →

121 表示中の素材。生産量と埋蔵量は USGS Mineral Commodity Summaries 2026 · 2025年推定値、各品目について発生源が定義する含有金属量または総重量 · 出典 ↗

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素材	棚	2025年世界生産量	世界埋蔵量	主要生産国	米国が輸入した
Alumina クリティカル A fine white powder of aluminium oxide, the halfway product between bauxite rock and aluminium…	銅・電気材料	150,000thousand metric dry tons · Alumina, refinery production	—	—	71%
Aluminium クリティカル A light silvery metal made by passing an enormous electric current through dissolved bauxite —…	銅・電気材料	74,000thousand metric tons · Smelter production	—	—	60%	Al
Antimony クリティカル A brittle, silvery metalloid used mostly to stop things burning, and in the primers and tracer…	航空宇宙・防衛材料	110,000metric tons · Mine production	2,000,000	China — 36% of world production	—	Sb
Argon Almost one percent of the air you are breathing, and the cheapest way to keep oxygen away from…	工業用鉱物	未公表	—	—	—	Ar
Arsenic クリティカル Famous as a poison, but in ultra-pure form it is half of gallium arsenide, the compound behind…	半導体材料	61,000metric tons · Production (arsenic trioxide, gross weight)	—	Peru — 49% of world production	100%	As
Asbestos A group of naturally fibrous minerals that are strong, fireproof, cheap — and cause fatal lung…	工業用鉱物	960,000metric tons · Mine production	150,000,000	—	100%
Barite クリティカル A very heavy, soft mineral used mostly to weigh down drilling mud so an oil well does not blow…	工業用鉱物	8,700thousand metric tons · Mine production	—	India — 34% of world production	75%
Bauxite クリティカル A reddish soil-like rock, formed where tropical rain has rotted rock for millions of years, and…	銅・電気材料	440,000thousand metric dry tons · Bauxite, mine production	29,000,000	—	75%
Beryllium クリティカル A very light, very stiff metal that is transparent to X-rays and dangerous to breathe as dust.	核物質	430.0metric tons · Mine production	—	United States — 53% of world production	—	Be
Bismuth クリティカル A heavy metal that is, unusually, not very toxic — which is why it replaces lead in solders…	航空宇宙・防衛材料	16,000metric tons · Refinery production	—	China — 88% of world production	92%	Bi
Boron クリティカル An element that makes glass resist thermal shock, fibreglass strong, and — with iron and…	工業用鉱物	未公表	—	Turkey — W% of world production	—	B
Bromine The only non-metal that is liquid at room temperature, pulled out of very salty water.	工業用鉱物	430,000metric tons · Production	—	—	25%	Br
Cadmium A toxic soft metal recovered from zinc refining, now used mainly in thin-film solar panels…	鉄鋼・合金金属	23,000metric tons · Refinery production	—	—	25%	Cd
Caesium クリティカル The softest metal, liquid on a warm day, and the element that defines the second.	航空宇宙・防衛材料	未公表	—	—	100%	Cs
Cement Powdered limestone and clay cooked at 1,450 C, which sets hard when mixed with water — the glue…	工業用鉱物	3,800,000thousand metric tons · Cement production	—	—	21%
Cerium クリティカル The most abundant rare earth — more common in the crust than copper — mostly used as a…	希土類元素	未公表	—	—	—	Ce
Chromium クリティカル The element that makes stainless steel stainless — at about eleven percent chromium, steel…	鉄鋼・合金金属	51,000thousand metric tons · Mine production	540,000	South Africa — 45% of world production	79%	Cr
Clays Soft, fine-grained rock made of microscopic plates that slide over each other when wet — which…	工業用鉱物	20,000thousand metric tons · Mine production: Bentonite, rounded	—	—	—
Cobalt クリティカル A hard, bluish metal that keeps a battery's cathode stable so it does not overheat, and that…	バッテリー材料	310,000metric tons · Mine production	12,000,000	Congo (Kinshasa) — 74% of world production	79%	Co
Construction Sand & Gravel The most-mined material on Earth by weight, and the one nobody thinks of as mining.	工業用鉱物	未公表	—	—	—
Copper クリティカル The reddish metal that carries electricity better than anything except silver, and which humans…	銅・電気材料	23,000thousand metric tons · Mine production	980,000	Chile — 23% of world production	—	Cu
Crude Oil Ancient marine plankton, cooked underground for millions of years into a liquid that carries…	エネルギー原材料	未公表	—	—	—
Crushed Stone Rock blasted and broken to size — limestone, granite, trap rock — and, with sand, the largest…	工業用鉱物	未公表	—	—	—
Diamond (Industrial) Diamond used not as a gem but as a cutting edge — most of it grown in a press rather than dug…	工業用鉱物	38.00million carats · Mine production	1,700	—	—
Diatomite Rock made from the glass skeletons of microscopic algae, so porous that a lump of it floats on…	工業用鉱物	2,500thousand metric tons · Mine production	—	—	—
Dimension Stone Rock cut into blocks and slabs rather than crushed — granite, marble, limestone, slate — sold…	工業用鉱物	未公表	—	—	85%
Dysprosium クリティカル A heavy rare earth added in small amounts to magnets so they keep working when they get hot.	希土類元素	未公表	—	—	—	Dy
Erbium クリティカル The rare earth that amplifies light inside a fibre-optic cable without ever turning it back…	希土類元素	未公表	—	—	—	Er
Europium クリティカル The rare earth that glows red under ultraviolet light, and which for decades put the red in…	希土類元素	未公表	—	—	—	Eu
Feldspar & Nepheline Syenite The most abundant mineral group in the crust, used as the flux that lets glass and ceramic melt…	工業用鉱物	31,000thousand metric tons · Mine production	—	—	95%
Fluorspar クリティカル Calcium fluoride, the mineral that every fluorine atom in industry ultimately comes from —…	工業用鉱物	10,000thousand metric tons · Mine production	330,000	China — 60% of world production	100%
Gadolinium クリティカル A rare earth that absorbs neutrons better than almost anything, and that makes MRI scans easier…	希土類元素	未公表	—	—	—	Gd
Gallium クリティカル A silvery metal that melts in your hand, and the basis of the compound semiconductors in fast…	半導体材料	900,000kilograms · Primary production	—	China — 100% of world production	100%	Ga
Garnet (Industrial) A hard, sharp-edged mineral more familiar as a gemstone, used industrially as the grit in…	工業用鉱物	730,000metric tons · Mine production	—	—	71%
Gemstones Minerals people want because of how they look — hardness, clarity and colour, priced on rarity…	貴金属	69,000 thousands of carats · Mine production	2,000,000	—	99%
Germanium クリティカル The element the very first transistors were made from, now used mainly for infrared lenses and…	半導体材料	未公表	—	China — NA% of world production	50%	Ge
Gold The metal that does not tarnish, does not corrode and never runs out once mined — which is why…	貴金属	3,300metric tons · Mine production	66,000	—	—	Au
Graphite クリティカル Pure carbon in soft, slippery sheets — the same stuff as pencil lead — and the material that…	バッテリー材料	1,800,000metric tons · Mine production	310,000,000	China — 78% of world production	100%	C
Gypsum A soft white rock that becomes plasterboard — the interior surface of most buildings in the…	工業用鉱物	160,000thousand metric tons · Mine production	—	—	—
Hafnium クリティカル Zirconium's chemical shadow — always found with it, almost impossible to separate from it, and…	核物質	未公表	—	—	—	Hf
Helium The only element cold enough to keep an MRI magnet superconducting, and the only one light…	工業用鉱物	190.0million cubic meters · Helium Production	—	—	—	He
High-Purity Quartz Quartz sand so free of other elements that it can be melted into the crucible a silicon crystal…	半導体材料	未公表	—	—	—
Holmium クリティカル The rare earth with the strongest magnetic moment of any element, used in the pole pieces of…	希土類元素	未公表	—	—	—	Ho
Indium クリティカル A soft metal whose oxide is both transparent and electrically conductive — the invisible wiring…	半導体材料	1,100metric tons · Refinery production	—	China — 69% of world production	100%	In
Industrial Sand & Gravel Sand selected for what it is made of rather than what size it is — nearly pure quartz, for…	工業用鉱物	430,000thousand metric tons · Mine production	—	—	—
Iodine A purple-black element that turns straight from solid to vapour, extracted from ancient nitrate…	工業用鉱物	34,000metric tons · Mine production	6,300,000	—	50%	I
Iridium クリティカル The most corrosion-resistant metal known, and the second densest — a litre of it weighs about…	貴金属	未公表	—	—	—	Ir
Iron & Steel Iron with a little carbon in it, and the most-produced manufactured material on the planet.	鉄鋼・合金金属	360.0million metric tons · world iron slag production was estimated to be between 330 million and 390 million tons,	—	—	—
Iron & Steel Scrap Old steel collected to be melted into new steel — the largest recycling stream on the planet by…	鉄鋼・合金金属	未公表	—	—	—
Iron Ore Rust-coloured rock that is roughly one-third to two-thirds iron, and the single largest tonnage…	鉄鋼・合金金属	2,600,000thousand metric tons · Mine production: Usable ore, rounded	87,000	—	—	Fe
Iron Oxide Pigments Rust, refined — the reds, yellows, browns and blacks that have coloured paint and pottery since…	工業用鉱物	未公表	—	—	—
Krypton A rare noble gas, about one part per million of the air, separated only where enough air is…	半導体材料	110.0million liters · Rare gases production, (million liters)	—	—	93%	Kr
Kyanite & Related Minerals Blue-bladed crystals that expand rather than shrink when fired, which makes them the backbone…	工業用鉱物	未公表	—	—	—
Lanthanum クリティカル The first of the rare earths, used by the tonne in the catalysts that crack crude oil into…	希土類元素	未公表	—	—	—	La
Lead クリティカル A soft, dense, blue-grey metal that blocks radiation and stores charge cheaply — and that is…	鉄鋼・合金金属	4,500thousand metric tons · Mine production	95,000	China — 42% of world production	—	Pb
Lime Limestone burned until it becomes quicklime — a chemical used to purify steel, treat water and…	工業用鉱物	420,000thousand metric tons · Production	—	—	—
Lithium クリティカル A soft, silvery metal so light it floats on water, and the element that lets a rechargeable…	バッテリー材料	290,000metric tons · Mine production	37,000,000	Australia — 32% of world production	50%	Li
Lutetium クリティカル The last and densest rare earth, used in the crystals that detect gamma rays inside a PET…	希土類元素	未公表	—	—	—	Lu
Magnesium Compounds Magnesia and its relatives, made from magnesite rock or extracted from seawater, which survive…	工業用鉱物	21,000thousand metric tons · Mine production	7,800,000	—	59%
Magnesium Metal クリティカル The lightest structural metal, about a third lighter than aluminium, and the ingredient that…	鉄鋼・合金金属	1,100thousand metric tons · Smelter production	—	—	75%	Mg
Manganese クリティカル A brittle grey metal that steel cannot be made without, and that is now being used to stretch…	バッテリー材料	20,000thousand metric tons · Mine production	1,700,000	South Africa — 37% of world production	100%	Mn
Mercury The only metal that is liquid at room temperature, and one of the most tightly regulated…	鉄鋼・合金金属	210.0metric tons · Mine production	—	—	—	Hg
Metallurgical Coal Coal of the specific quality that, when baked without air, turns into coke — the hard carbon…	エネルギー原材料	未公表	—	—	—
Mica A mineral that splits into sheets so thin you can see through them, and that resists both heat…	工業用鉱物	未公表	—	—	—
Molybdenum A silvery metal added to steel so it keeps its strength at high temperature and under pressure.	鉄鋼・合金金属	260,000metric tons · Mine production	17,000	—	—	Mo
Natural Gas Mostly methane, the lightest hydrocarbon, and the source of nearly all the hydrogen used by…	エネルギー原材料	未公表	—	—	—
Neodymium クリティカル The rare earth at the heart of the strongest magnet ever made — the kind in headphones, hard…	希土類元素	未公表	—	—	—	Nd
Neon A noble gas so unreactive it forms no compounds at all, separated out of ordinary air in tiny…	半導体材料	800.0million liters · Rare gases production, (million liters)	—	—	52%	Ne
Nickel クリティカル A silvery metal that resists rust, which is why it goes into stainless steel — and, more…	バッテリー材料	3,900,000metric tons · Mine production	140,000,000	Indonesia — 67% of world production	41%	Ni
Niobium クリティカル A metal that makes steel much stronger when added in tiny amounts — a few hundred grams per…	航空宇宙・防衛材料	112,000metric tons · Mine production	21,000,000	—	100%	Nb
Nitrogen (Ammonia) Nitrogen pulled out of the air and joined to hydrogen under pressure — the invention that…	農業用鉱物	160,000thousand metric tons · Plant production	—	—	—	N
Oil Sands & Bitumen Sand soaked in oil so thick it will not flow — it has to be mined like ore or heated…	エネルギー原材料	未公表	—	—	—
Osmium The densest naturally occurring element, and one of the least used — most of it sits unrefined…	貴金属	未公表	—	—	—	Os
Palladium クリティカル Platinum's cheaper cousin for most of the twentieth century, then briefly more expensive than…	貴金属	190,000kilograms · Mine production: Palladium, rounded	—	Russia — 44% of world production	57%	Pd
Peat Half-rotted plant matter from waterlogged bogs — the first stage on the road from a swamp to a…	エネルギー原材料	17,000thousand metric tons · Mine production	13,000,000	—	80%
Perlite A volcanic glass with water trapped inside it that pops like popcorn when heated, expanding to…	工業用鉱物	4,600thousand metric tons · Production	—	—	23%
Petroleum Coke The solid carbon left at the bottom of an oil refinery, and the raw material for both aluminium…	エネルギー原材料	未公表	—	—	—
Phosphate Rock クリティカル Rock full of the element phosphorus — the P in fertiliser, and now the P in the LFP batteries…	農業用鉱物	250,000thousand metric tons · Mine production	73,000,000	China — 44% of world production	—	P
Platinum クリティカル A dense, unreactive metal that speeds up chemical reactions without being consumed by them.	貴金属	170,000kilograms · Mine production: Platinum, rounded	—	South Africa — 71% of world production	89%	Pt
Platinum-Group Metals クリティカル Six metals — platinum, palladium, rhodium, iridium, ruthenium and osmium — that occur together…	貴金属	未公表	76,000,000	—	—
Potash クリティカル Potassium salts mined from ancient dried-up seas — the K in NPK fertiliser, which plants need…	農業用鉱物	49,000thousand metric tons · Mine production	10,000,000	Canada — 31% of world production	92%	K
Praseodymium クリティカル Neodymium's near-twin, so alike that magnet makers usually do not bother separating the two and…	希土類元素	未公表	—	—	—	Pr
Promethium The one rare earth with no stable form at all — every atom of it is radioactive and decays…	希土類元素	未公表	—	—	—	Pm
Pumice & Pumicite Volcanic froth — rock so full of gas bubbles that it floats — quarried for lightweight concrete…	工業用鉱物	20,000thousand metric tons · Mine production	—	—	—
Rare Earths (all) クリティカル A family of seventeen metals that are not actually rare in the ground, but are hard to separate…	希土類元素	390,000metric tons · Mine production	85,000,000	—	—
Rhenium クリティカル One of the rarest metals in the crust, recovered from molybdenum roasting, and the ingredient…	航空宇宙・防衛材料	81,000kilograms · Mine production	—	Chile — 37% of world production	75%	Re
Rhodium クリティカル The rarest of the metals traded in any volume, produced in tens of tonnes a year, and the only…	貴金属	未公表	—	—	—	Rh
Rubidium クリティカル Caesium's cheaper neighbour, recovered from the same rare deposits, and the basis of the atomic…	航空宇宙・防衛材料	未公表	—	—	100%	Rb
Ruthenium クリティカル A hard platinum-group metal used in tiny quantities inside hard drives and increasingly in chip…	貴金属	未公表	—	—	—	Ru
Salt Sodium chloride — the seasoning on a table, and the feedstock for the chlorine and caustic soda…	工業用鉱物	270,000thousand metric tons · Mine production	—	—	31%
Samarium クリティカル The rare earth in the magnet that works where neodymium cannot: very hot, or very cold, or in a…	希土類元素	未公表	—	—	—	Sm
Scandium クリティカル A light metal that makes aluminium dramatically stronger and weldable — and which is produced…	希土類元素	80.00metric tons · global production	—	China — NA% of world production	100%	Sc
Selenium An element recovered from copper refinery slimes, used in glass, in animal feed and in…	鉄鋼・合金金属	3,800metric tons · Refinery production	—	—	50%	Se
Silicon クリティカル The second-most-common element in the Earth's crust — ordinary sand — purified until only one…	半導体材料	5,000thousand metric tons · Ferrosilicon	—	China — 87% of world production	—	Si
Silicon Carbide & Abrasives Man-made grit — silicon carbide and fused alumina — harder than almost every natural mineral…	工業用鉱物	未公表	—	—	—
Silver クリティカル The best electrical conductor there is, and the metal that has been used as money for longer…	貴金属	26,000metric tons · Mine production	610,000	Mexico — 24% of world production	77%	Ag
Soda Ash Sodium carbonate, mined from trona rock or made from salt, and the second ingredient in almost…	工業用鉱物	19,000thousand metric tons · Mine production: natural, rounded	25,000,000	—	—
Strontium A soft metal whose salts burn bright red, which is why every red firework contains it.	工業用鉱物	450,000metric tons · Mine production	—	—	100%	Sr
Sulfur A yellow element stripped out of oil and gas to stop it polluting, then turned into sulfuric…	工業用鉱物	84,000thousand metric tons · Production, all forms	—	—	—	S
Talc & Pyrophyllite The softest mineral there is — a fingernail scratches it — used as a filler that makes plastics…	工業用鉱物	6,900thousand metric tons · Mine production	—	—	—
Tantalum クリティカル A dense metal whose oxide layer stores charge extremely reliably, which is why it is in the…	航空宇宙・防衛材料	2,500metric tons · Mine production	—	Congo (Kinshasa) — 52% of world production	100%	Ta
Tellurium クリティカル A brittle, silvery element recovered from the slime at the bottom of a copper refinery tank…	半導体材料	1,000metric tons · Refinery production	—	China — 80% of world production	25%	Te
Terbium クリティカル The scarcest of the four magnet rare earths, used in tiny quantities to make a magnet survive…	希土類元素	未公表	—	—	—	Tb
Thallium A soft, extremely toxic metal recovered in tiny amounts from smelter dusts.	半導体材料	未公表	—	—	—	Tl
Thermal Coal Coal burned to make steam and therefore electricity — still, despite everything, one of the…	エネルギー原材料	未公表	—	—	—
Thorium A weakly radioactive metal three to four times more common than uranium, which can be bred into…	核物質	未公表	—	—	—	Th
Thulium クリティカル The least abundant stable rare earth, used in portable X-ray sources and in surgical lasers.	希土類元素	未公表	—	—	—	Tm
Tin クリティカル A soft metal with a low melting point, which is why nearly every electrical joint in every…	鉄鋼・合金金属	290,000metric tons · Mine production	6,000,000	China — 24% of world production	—	Sn
Titanium クリティカル A metal as strong as steel at about half the weight, which does not corrode in seawater or in…	航空宇宙・防衛材料	370,000metric tons · Titanium sponge metal production	—	—	—	Ti
Titanium Mineral Concentrates クリティカル Black beach sand — ilmenite and rutile — that is the starting point both for titanium metal and…	航空宇宙・防衛材料	9,400thousand metric tons · Mine production: ilmenite, rounded	490,000	—	88%
Tungsten クリティカル The metal with the highest melting point of them all — you can heat it to 3,400 C before it…	航空宇宙・防衛材料	85,000metric tons · Mine production	4,700,000	China — 79% of world production	50%	W
Uranium A heavy, faintly radioactive metal whose nucleus can be split, releasing about two million…	核物質	未公表	—	—	—	U
Vanadium クリティカル A metal that makes rebar dramatically stronger in tiny doses, and that can also store…	鉄鋼・合金金属	110,000metric tons · Mine production	21,000	China — 75% of world production	41%	V
Vermiculite A mica-like mineral that unfolds into a concertina when heated, becoming light, fireproof and…	工業用鉱物	460.0thousand metric tons · Mine production	—	—	25%
Wollastonite A needle-shaped white mineral used as a safe replacement for asbestos fibre in brakes, boards…	工業用鉱物	860,000metric tons · Mine production	—	—	—
Xenon The rarest stable gas in the atmosphere — under one part in ten million — and the heaviest…	半導体材料	12.00million liters · Rare gases production, (million liters)	—	—	98%	Xe
Ytterbium クリティカル A rare earth used in the fibre lasers that cut steel in factories, and in some of the most…	希土類元素	未公表	—	—	—	Yb
Yttrium クリティカル Counted as a rare earth even though it sits elsewhere on the periodic table, because it behaves…	希土類元素	12,500metric tons · mine production of Y2O3 equivalent contained in rare-earth mineral concentrates	—	China — NA% of world production	100%	Y
Zeolites (Natural) Minerals full of molecule-sized cages that trap specific ions and gases and let everything else…	工業用鉱物	1,300,000metric tons · Mine production	—	—	—
Zinc クリティカル The metal that steel is dipped in so it does not rust — a sacrificial coating that corrodes…	鉄鋼・合金金属	13,000thousand metric tons · Mine production	240,000	China — 32% of world production	—	Zn
Zirconium クリティカル A metal that barely absorbs neutrons, which is why nuclear fuel rods are wrapped in it, and…	核物質	1,200thousand metric tons · Zirconium mineral concentrates, mine production (thousand metric tons, gross weight)	70,000	—	—	Zr

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Alumina

A fine white powder of aluminium oxide, the halfway product between bauxite rock and aluminium metal.

銅・電気材料

Aluminium

A light silvery metal made by passing an enormous electric current through dissolved bauxite — which is why people call…

銅・電気材料Al

Antimony

A brittle, silvery metalloid used mostly to stop things burning, and in the primers and tracer rounds of ammunition.

航空宇宙・防衛材料Sb

Argon

Almost one percent of the air you are breathing, and the cheapest way to keep oxygen away from hot metal.

工業用鉱物Ar

Arsenic

Famous as a poison, but in ultra-pure form it is half of gallium arsenide, the compound behind high-frequency radio…

半導体材料As

Asbestos

A group of naturally fibrous minerals that are strong, fireproof, cheap — and cause fatal lung disease decades after…

工業用鉱物

Barite

A very heavy, soft mineral used mostly to weigh down drilling mud so an oil well does not blow out.

工業用鉱物

Bauxite

A reddish soil-like rock, formed where tropical rain has rotted rock for millions of years, and the only ore aluminium…

銅・電気材料

Beryllium

A very light, very stiff metal that is transparent to X-rays and dangerous to breathe as dust.

核物質Be

Bismuth

A heavy metal that is, unusually, not very toxic — which is why it replaces lead in solders, plumbing brass and stomach…

航空宇宙・防衛材料Bi

Boron

An element that makes glass resist thermal shock, fibreglass strong, and — with iron and neodymium — the strongest…

工業用鉱物B

Bromine

The only non-metal that is liquid at room temperature, pulled out of very salty water.

工業用鉱物Br

Cadmium

A toxic soft metal recovered from zinc refining, now used mainly in thin-film solar panels rather than in the batteries…

鉄鋼・合金金属Cd

Caesium

The softest metal, liquid on a warm day, and the element that defines the second.

航空宇宙・防衛材料Cs

Cement

Powdered limestone and clay cooked at 1,450 C, which sets hard when mixed with water — the glue that holds concrete…

工業用鉱物

Cerium

The most abundant rare earth — more common in the crust than copper — mostly used as a polishing powder and in…

希土類元素Ce

Chromium

The element that makes stainless steel stainless — at about eleven percent chromium, steel grows an invisible film that…

鉄鋼・合金金属Cr

Clays

Soft, fine-grained rock made of microscopic plates that slide over each other when wet — which is why it can be shaped…

工業用鉱物

Cobalt

A hard, bluish metal that keeps a battery's cathode stable so it does not overheat, and that holds its strength when…

バッテリー材料Co

Construction Sand & Gravel

The most-mined material on Earth by weight, and the one nobody thinks of as mining.

工業用鉱物

Copper

The reddish metal that carries electricity better than anything except silver, and which humans have been smelting for…

銅・電気材料Cu

Crude Oil

Ancient marine plankton, cooked underground for millions of years into a liquid that carries more energy per litre than…

エネルギー原材料

Crushed Stone

Rock blasted and broken to size — limestone, granite, trap rock — and, with sand, the largest tonnage humans move.

工業用鉱物

Diamond (Industrial)

Diamond used not as a gem but as a cutting edge — most of it grown in a press rather than dug out of the ground.

工業用鉱物

Diatomite

Rock made from the glass skeletons of microscopic algae, so porous that a lump of it floats on water.

工業用鉱物

Dimension Stone

Rock cut into blocks and slabs rather than crushed — granite, marble, limestone, slate — sold for what it looks like.

工業用鉱物

Dysprosium

A heavy rare earth added in small amounts to magnets so they keep working when they get hot.

希土類元素Dy

Erbium

The rare earth that amplifies light inside a fibre-optic cable without ever turning it back into electricity.

希土類元素Er

Europium

The rare earth that glows red under ultraviolet light, and which for decades put the red in every colour television.

希土類元素Eu

Feldspar & Nepheline Syenite

The most abundant mineral group in the crust, used as the flux that lets glass and ceramic melt at a workable…

工業用鉱物

Fluorspar

Calcium fluoride, the mineral that every fluorine atom in industry ultimately comes from — including the fluorine in…

工業用鉱物

Gadolinium

A rare earth that absorbs neutrons better than almost anything, and that makes MRI scans easier to read.

希土類元素Gd

Gallium

A silvery metal that melts in your hand, and the basis of the compound semiconductors in fast chargers, radar and LEDs.

半導体材料Ga

Garnet (Industrial)

A hard, sharp-edged mineral more familiar as a gemstone, used industrially as the grit in waterjet cutting and…

工業用鉱物

Gemstones

Minerals people want because of how they look — hardness, clarity and colour, priced on rarity rather than on tonnage.

貴金属

Germanium

The element the very first transistors were made from, now used mainly for infrared lenses and fibre-optic glass.

半導体材料Ge

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Alumina

Aluminium

Antimony

Argon

Arsenic

Asbestos

Barite

Bauxite

Beryllium

Bismuth

Boron

Bromine

Cadmium

Caesium

Cement

Cerium

Chromium

Clays

Cobalt

Construction Sand & Gravel

Copper

Crude Oil

Crushed Stone

Diamond (Industrial)

Diatomite

Dimension Stone

Dysprosium

Erbium

Europium

Feldspar & Nepheline Syenite

Fluorspar

Gadolinium

Gallium

Garnet (Industrial)

Gemstones

Germanium

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