Milky Quartz Pebble
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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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Shungite (Noble/Type II)
Non-crystalline carbon (Fullerene-bearing carbonaceous rock)
metamorphic
Olivine (Peridotite)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
igneous
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Alexandrite in Matrix
Chrysoberyl (BeAl2O4 with Chromium)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Mica (specimen appears to be Muscovite or Phlogopite)
Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2
Mineral (Found in Igneous and Metamorphic rocks)
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chrysocolla on Limonite Matrix
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)
mineral
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Chrysocolla in Matrix
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
mineral
Native Copper
Native Copper (Cu)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Vanadinite
Lead Chlorovanadate - Pb5(VO4)3Cl
mineral
Limonite
Limonite (Hydrated iron oxide mixture, FeO(OH)·nH2O)
mineral
Iridium sand or Osmium-Iridium nugget
Iridosmine / Osmiridium (Platinoid grouping)
mineral
Malachite
Copper carbonate hydroxide (Cu2CO3(OH)2)
mineral
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Diamond (Faceted)
Carbon (C)
gemstone
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Granitoid (Granite/Diorite)
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica/Amphiboles)
igneous
Mica (Biotite and Muscovite) in Matrix
Potassium aluminum silicate with iron/magnesium (KAl2(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(F,OH)2)
igneous
Green Aventurine
SiO2 (Silicon Dioxide) with inclusions of Fuchsite
metamorphic
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Fire Agate
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
mineral
Amethyst (Rose Quartz type)
SiO2 (Silicon Dioxide)
mineral
Amethyst
Quartz (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Taaffeite
BeMgAl4O8 (Beryllium Magnesium Aluminum Oxide)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Sunstone (Oregon Sunstone)
Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8
mineral
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Moss Agate
Cryptocrystalline Quartz (SiO2 with Manganese or Iron Oxide inclusions)
mineral
Ruby and Diamond in Gold Setting
Corundum (Al2O3) and Diamond (C)
mineral
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
mineral
Gold Nugget
Native Gold (Au)
mineral