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Mineral Gallery: Graphite Elemental Carbon
GRAPHITE (Carbon) GRAPHITE Like: Share: Chemistry: C, Elemental Carbon Class: Native Elements Subclass: Non-metallics Group: Carbon Uses: for the lead in pencils, as a toughener of steel, in high-strength composites and as a lubricant. Specimens Graphite is a polymorph ...
Mineral Gallery: ILMENITE
ILMENITE (Iron Titanium Oxide) THE MINERAL ILMENITE Chemical Formula: FeTiO3, Iron Titanium Oxide Class: Oxides and Hydroxides Group: Hematite Subgroup: Ilmenite Uses: As the major ore of titanium, a minor ore of iron, as a flux in blast furnaces, as an abrasive and as mineral...
Mineral Gallery: NAHCOLITE
hence its presence in your refrigerator. Add its relative softness (2.5 on the Mohs scale) which means it is not a strong abrasive, and the result is a common ingredient in toothpaste - or even as a replacement for toothpaste, which often is not much more than a sweetened, flavored paste o...
Mineral Gallery: ALMANDINE
ALMANDINE (Iron Aluminum Silicate) THE MINERAL ALMANDINE Chemistry: Fe3Al2(SiO4)3, Iron Aluminum Silicate Class: Silicates Subclass: Nesosilicates Group: Garnets Uses: Gemstone and abrasive See our natural Almandine Mineral Specimens For Garnet Jewelry, see: GARNET JEWELRY Almandin...
Mineral Gallery: GROSSULAR
GROSSULAR (Calcium Aluminum Silicate) THE MINERAL GROSSULAR Chemistry: Ca3Al2(SiO4)3, Calcium Aluminum Silicate Class: Silicates Subclass: Nesosilicates Group: Garnets Uses: abrasive, mineral specimens and as a Gemstone See our natural Grossular Garnet Mineral Specimens Also see v...
Mineral Gallery: CORUNDUM
CORUNDUM (Aluminum Oxide) THE MINERAL CORUNDUM Chemical Formula: Al2O3, Aluminum Oxide Class: Oxides and Hydroxides Group: Hematite Uses: As a gemstone, mineral specimens and as an abrasive. Specimens Also see variety specimens: Ruby Specimens Sapphire Specimens When someone list...
Mineral Gallery: ANDRADITE
ANDRADITE (Calcium Iron Silicate) THE MINERAL ANDRADITE Chemistry: Ca3Fe2(SiO4)3, Calcium iron silicate Class: Silicates Subclass: Nesosilicates Group: Garnets Uses: Gemstone and abrasive See our natural Andradite Mineral Specimens For Garnet Jewelry, see: GARNET JEWELRY Andradit...
Mineral Gallery: SPESSARTINE
SPESSARTINE (Manganese Aluminum Silicate) THE MINERAL SPESSARTINE Chemistry: Mn3Al2(SiO4)3, Manganese Aluminum Silicate Class: Silicates Subclass: Nesosilicates Group: Garnets Uses: abrasive, mineral specimens and as a gemstone See our natural Spessartine Mineral Specimens For Garne...
Mineral Gallery: PYROPE
PYROPE (Magnesium Aluminum Silicate) THE MINERAL PYROPE Chemistry: Mg3Al2(SiO4)3, Magnesium Aluminum Silicate Class: Silicates Subclass: Nesosilicates Group: Garnets Uses: Gemstone and abrasive Specimens Pyrope is the only garnet that is always a shade of red. Although les...
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