Diamond (or Cubic Zirconia)
C (Carbon) or ZrO2 (Zirconium Dioxide)
Category
Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.
Diamond (or Cubic Zirconia)
C (Carbon) or ZrO2 (Zirconium Dioxide)
Diamond
Diamond (C)
Diamond
Diamond (pure Carbon, C)
Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite pseudomorphs after Crocidolite
Moonstone
Orthoclase/Albite (KAlSi3O8 / NaAlSi3O8) with Adularescence
Diamond (Macled/Crystal fragment)
Carbon (C), isometric crystal system
Diamond (in jewelry setting)
Diamond (Carbon, C)
Sandstone
Sandstone (Clastic Sedimentary Rock)
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Anthracite Coal
Anthracite (a variety of coal, predominantly carbon)
Pink Granite Porphyry Cobble
Porphyritic K-Feldspar Granite
Blue Topaz
Aluminum Silicate Fluoride Hydroxide Al2SiO4(F,OH)2
Diamond
Cubic Carbon (C)
Diamond
Native Carbon (C)
Diamond (in jewelry setting)
Carbon (C)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Iron Slag
Iron smelting byproduct (Glassy/vesicular silicate)
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Wishing Stone with Quartz Vein
Hydrothermal Quartz Vein in Metasedimentary Matrix (primarily SiO2)
Green Porphyry (Flowerstone)
Porphyritic Andesite or Basalt
Petrified Wood
Silicified wood (Quartz, SiO2)
Slag Glass
Amorphous Silica / Glass Slag
Himalayan Pink Salt
Halite (NaCl) with trace minerals (Iron, Magnesium, Potassium)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Chlorite Phantom Quartz
Silicon Dioxide (SiO2) with Chlorite group inclusions [(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6]
Chert (variant of Flint)
Chert (SiO2)
Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)
Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Sandstone
Sandstone (various mineral compositions)
Chert (or Flint)
Silicon dioxide (SiO2)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Smoky Quartz
Quartz (SiO₂)
Cubic Zirconia
Zirconium Dioxide (ZrO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Diamond (in Gold Jewelry)
Carbon (C)
Pink Tumbled Quartz (Dyed)
Silicon Dioxide (SiO2)
Dragon Vein Agate
Chalcedony (cryptocrystalline silica, SiO2) variety Agate
Tektite (Indochinite)
Tektite (Amorphous Silica Glass)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Smoky Quartz
Smoky Quartz (SiO2)
Amber
Amber (Fossilized Tree Resin)
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining