Diamond (Faceted)
Carbon (C) - Diamond
Category
Browse antropogenic (man made industrial byproduct) specimens identified by the Rock Identifier community.
Diamond (Faceted)
Carbon (C) - Diamond
Olivine (often within Peridotite)
Magnesium iron silicate, (Mg,Fe)2SiO4
Diamond
Diamond (pure Carbon, C)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Pink Satin Spar (Satin Spar Selenite Dyed)
Gypsum (CaSO4·2H2O)
Marble
Recrystallized Calcite (CaCO3) Rock
Fluorite
Calcium fluoride (CaF2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
Sapphire (Raw/Rough)
Corundum (Al2O3)
Fluorite (Rainbow Fluorite Tower)
Fluorite (Calcium Fluoride, CaF2)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Green Fluorite
Calcium Fluoride (CaF2)
Rose Quartz with Hematite inclusions
Silicon Dioxide (SiO2) with Fe2O3 inclusions
Basalt with Desert Varnish
Mafic Volcanic Rock (Fe/Mg rich Silicate)
Blue Sapphire (faceted in jewelry)
Corundum (Al2O3)
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Pyrope Garnet (Bohemian Garnets)
Pyrope (from the group Mg3Al2(SiO4)3)
Schist
Mica Schist (Quartz-Muscovite-Biotite Schist)
Diamond
Diamond (pure Carbon, C)
Fursuit (Synthetic Fur Specimen)
Canis anthropomorphus syntheticus
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Scoria (Red Lava Rock)
Scoria
Granodiorite
Granodiorite (intermediate plutonic rock)
Quartzite (or Milky Quartz pebble)
Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)
Limestone (specifically Bituminous or Carbonaceous Limestone)
Calcium Carbonate (CaCO3) with Organic Impurities
Flint
Chert (a form of cryptocrystalline quartz, chemical formula SiO₂)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Quartzite
Quartzite (Primary mineral: SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Dumortierite Quartz
Dumortierite (Al7BO3(SiO4)3O3 / inclusion in SiO2)
Yellow Quartzite (Onyx Pebble)
Silicon Dioxide (SiO2) - Quartzite
Sandstone (with cross-bedding)
Arenite (composed primarily of Quartz: SiO2)
Quartz (Milky Quartz / Greenish Quartz)
SiO2 (Silicon Dioxide)
Kyanite
Kyanite (Al2SiO5)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)