Blue Calcite
Calcium Carbonate (CaCO3)
Category
Browse mineral (metal) specimens identified by the Rock Identifier community.
Blue Calcite
Calcium Carbonate (CaCO3)
Titanium Quartz (Rough)
Titanium-included Silicon Dioxide (SiO2 + Ti)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Rose Quartz
Silicon dioxide (SiO2)
Diamond (in a jewelry setting)
Carbon (C)
Smoky Quartz
SiO2 (Silicon Dioxide)
Green Quartz (Aventurine)
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Blue Sapphire
Corundum (Al2O3)
Dioptase
Dioptase (CuSiO3 · H2O)
Blue Crackle Quartz (Dyed Fire Agate/Quartz)
Silicon Dioxide (SiO2) with artificial dye treatment
Diorite
Diorite (Intermediate intrusive igneous rock)
Olivine (Peridot)
Olivine (Magnesium Iron Silicate, (Mg,Fe)2SiO4)
Amber
Succinite (Fossilized Resin)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pink Thulite (in Pumice-like texture)
Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gold Sheen Obsidian
Volcanic Glass (SiO2 + Fe3O4 / Gas Inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Rhodochrosite
Manganese carbonate (MnCO3)
Titanium Aura Quartz (Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Moss Agate Geode Sphere
Silicon Dioxide (SiO2) - Chalcedony with Chlorite or Manganese inclusions
Chalk (Limestone variant)
Calcium Carbonate (CaCO3)
Black Obsidian
Volcanic Glass (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Agate with Druzy Quartz
Silicon Dioxide (SiO2)
Blue Diamond
Carbon (C) with trace Boron
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz on Matrix
Silicon Dioxide (SiO2)
Amber
Amber (C10H16O)
Yellow Quartz (Citrinated Quartz)
Silicon Dioxide (SiO2)
Cubic Zirconia (in Jewelry)
Zirconium Dioxide (ZrO2)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Pink Anthracite Coal (dyed)
Anthracite Coal (Artificially Colored)
Granite Pebble
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Granite
Granite (a felsic intrusive igneous rock)