Quartz (Milky Quartz vein fragment)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Limonite (Iron Ore)
Limonite (an FeO(OH)·nH2O mineraloid, not a true mineral due to variable composition)
Mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Scoria
Vesicular Basalt / Scoriaceous Basalt
igneous
Blue Lace Agate (Geode/Druzy variant)
Chalcedony (SiO2) with Quartz druzy
mineral
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O) coatings
mineral
Granite
Phaneritic Plutonic Rock (High Silica content)
igneous
Basalt
Mafic volcanic rock (Basalt)
igneous
Milk Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Amber
Succinite (specifically for Baltic amber); Approximate formula: C10H16O
Organic Gemstone (Mineraloid)
Granite Cobble
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Diamond (Cut Specimen)
Carbon (C)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Chrysocolla in Matrix
Hydrated copper silicate - (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral side of metamorphic/igneous sources
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Azurite
Azurite (Cu3(CO3)2(OH)2)
mineral
Blue Zircon
Zirconium Silicate (ZrSiO4)
mineral
White Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Quartz (Milky or Common variety)
Silicon Dioxide (SiO2)
mineral
Granite Cobble
Plutonic Granite
igneous
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
metamorphic
Iron Slag
Iron Slag (Industrial Vitreous Material)
Mineral/By-product
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Quartzite Pebbles
Quartzite (SiO2)
metamorphic
Rough Diamond
Diamond (pure Carbon, C)
mineral
Diamond
Diamond (C)
Mineral
Diamond
Diamond (Pure Carbon crystallization)
gemstone
Marble
Metamorphosed Limestone (CaCO3)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Cubic Zirconia (Simulated Diamond)
Cubic Zirconia (ZrO2)
mineral
Blue Aventurine
Silicon Dioxide (SiO2) containing Dumortierite or Crocidolite inclusions
mineral
Rose Gold (Copper-Gold Alloy)
Aurum-Cuprum Alloy (Au-Cu)
mineral (native element alloy)
Diamond (or Diamond Simulant)
Carbon (C) - Native Element
mineral