Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Orange Quartz (Citrine Quartz variety)
Silicon Dioxide (SiO2)
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Peridot (Olivine)
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Diamond in Kimberlite
Diamond (C in Kimberlite Matrix)
Agate
Agate (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Diamond
Native Carbon (C)
Epidosite
Epidosite (predominantly Epidote {Ca2Al2Fe3+Si3O12(OH)} and Quartz {SiO2})
Rough Topaz
Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]
Turquenite (Dyed Howlite)
Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)
Banded Chalcedony (Agate)
Chalcedony (SiO2) - Cryptocrystalline Quartz
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Kimberlite
Kimberlite (Group I or II)
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Granitic Pegmatite
Pegmatite
Rough Diamond
Diamond (pure carbon, C)
Sandstone
Arenite (composed primarily of SiO2)
Quartz (Granular Milky Quartz fragment)
Silicon Dioxide (SiO2)
Jasper (specifically Red Jasper or Iron-stained Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Geodal Limestone / Calcite Druze
Calcium Carbonate (CaCO3)
Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Rough Quartz
Silicon Dioxide (SiO2)
Green Glass Cullet / Recycled Glass
Amorphous Silicon Dioxide (SiO2) with various metal oxides
Mica Schist
Mica Schist (Predominantly Muscovite/Biotite)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
Quartz (Milky/Yellowish)
Silicon Dioxide (SiO2)
Desert Rose (also known as Sand Rose)
Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
Milk Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Diamond (in jewelry setting)
Diamond (C - Carbon)
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Epidote in Quartz
Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Milky Quartz (SiO2)
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Satin Spar (Selenite Gypsum Sphere)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Parti Sapphire
Corundum (Al2O3)