Garnet
Garnet Group (Silicate Minerals)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Garnet
Garnet Group (Silicate Minerals)
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
Arsenopyrite in Quartz/Host Rock
Arsenopyrite (FeAsS)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Granitoid (Pegmatitic Granite)
Granitoid with dominant Potassium Feldspar and Quartz
Vanadinite on Matrix
Vanadinite (Pb5(VO4)3Cl)
Rough Diamond
Diamond (pure Carbon, C)
Sea Shell Fragment (Calcium Carbonate)
Aragonite / Calcite (CaCO3)
Schist
Chlorite or Mica Schist
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
Granite Gravel (Pebble)
Intrusive Felsic Igneous Rock
Pegmatite or Graphic Granite
Intrusive Igneous Rock
Schist
Mica Schist
Schist
Mica Schist
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
Silver Nugget
Native Silver (Ag)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
Raw Sapphire / Corundum
Corundum (Al2O3 - Aluminium oxide)
Schist
Schist (variety likely Mica Schist)
Muscovite Mica
KAl2(AlSi3O10)(OH)2
Pegmatite
Granitic Pegmatite
Desert Rose (Sand Barite/Gypsum Rose)
Barium Sulfate (BaSO4) or Hydrated Calcium Sulfate (CaSO4·2H2O)
Fossilized Shark Tooth
Carcharodon (Galeocerdo sp. or Lamniform)
Diamond (or Diamond Simulant/Cubic Zirconia)
Carbon (C) - if diamond, or Zirconium dioxide (ZrO2) - if Cubic Zirconia
Sandstone
Arenite (primarily SiO2)
Schist
Mica Schist
Chert (Flint)
Microcrystalline Quartz (SiO2)
Epidote-bearing Rock / Epidote Inclusion
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) in host rock
Pink Sapphire (Corundum)
Aluminum Oxide (Al2O3) with Chromium/Iron impurities
Vanadinite
Lead Chlorovanadate - Pb5(VO4)3Cl
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Kimberlite
Kimberlite
Milky Quartz (Ferruginous)
Silicon Dioxide (SiO2)
Sandstone (likely Siltstone or Mudstone)
Clastic sedimentary rock (primarily SiO2 with various oxides)
Pegmatite
Igneous Pegmatite
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Muscovite Mica Schist
Metamorphic Rock (Muscovite-Biotite Schist)
Granite Pegmatite
Pegmatite (Quartz, Feldspar, Mica)
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
Black Kyanite
Aluminum Silicate (Al2SiO5)