Member,
American Federation of |
GEM CITY ROCK and MINERAL SOCIETY![]() |
Member,
Eastern Federation of |
Home |
About Us |
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Projects |
Links |
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Mineral |
Uses |
Nice Crystal? |
Massive Specimen? |
Object Made From? |
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Dolomite CaMg(CO3)2 |
Cement |
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Y |
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Talc Mg3Si4O10(OH) |
baby powder, paints, plastics,
linoleum |
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Chalcopyrite
CuFeS2 |
Copper ore for electrical wiring, plumbing pipes, cookware, pennies |
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Malachite Cu2CO3(OH)2 / |
Copper ores, pigments, jewelry & decorative items |
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Pyrite FeS2 |
Sulfur for Sulfuric Acid, iron
ore for Steel, inks |
Y |
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Hematite
Fe2O3 |
Iron ore for steel, jewelry, magnets |
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Galena
PbS |
lead ore, for lead acid batteries, lead shielding |
Y |
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Halite
NaCl |
table salt, road salt |
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Sphalerite
ZnS |
zinc ore for galvanizing steel, combining with copper for brass |
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Quartz SiO2 |
Glass, ceramics, electronics |
Y |
Y |
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Fluorite CaF2 |
toothpaste, enameling, flux
for steelmaking |
Y |
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Calcite CaCO3 |
used in blackboard chalk, antacids |
Y |
Y |
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Kyanite Al2SiO5 |
Pottery & ceramics,
electronic insulator |
Y |
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Mica (group) |
Electronic insulator, windows
in stoves / boilers (isinglass), paints and pigments, makeup |
Y |
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