Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Category
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Red Jasper
Red Jasper (SiO2)
Schist
Lepidoblastic Mica Schist
Quartz Vein in Metamorphic Rock
Silicon Dioxide (SiO2) within Metasedimentary host
Shale
Fissile Siliciclastic Sedimentary Rock
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
Milky Quartz (Quartz Vein)
Silicon Dioxide (SiO2)
Precious Opal
Hydrated Silica (SiO2·nH2O)
Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)
Quartz Pebble (Citrine-colored or Stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sapphire
Corundum (Al2O3)
Blue Sapphire
Corundum (Al2O3)
Emerald in Matrix
Emerald (Beryllium Aluminum Silicate), Be3Al2(SiO3)6
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
Gold Ore
Native Gold (Au) in Matrix
Dolomite or Limestone (Carbonate Rock)
CaMg(CO3)2 (Dolomite) or CaCO3 (Limestone / Calcite)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Druzy Chalcedony (Agate Geode)
Silica (SiO2) - Cryptocrystalline Quartz with druzy macrocrystalline quartz
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Quartz / Common Opal
Silicon Dioxide (SiO2)
Brown Agate
Silicon Dioxide (SiO2)
Chalcedony in Host Rock
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium trace impurities)
Prehnite
Prehnite Ca2Al2Si3O10(OH)2
Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Chalcedony / SiO2)
Gold-bearing Quartz Ore
Auriferous Quartz (SiO2 with Au)
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Chalcedony on Matrix
Silicon Dioxide (SiO2)
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)
Serpentinite
Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, or Chrysotile)
Smoky Quartz (Herkimer-style)
Silicon Dioxide (SiO2)
Rough Emerald/Green Beryl
Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode (Cracked Open Fragment)
Silicon Dioxide (SiO2)
Pyrite on Limestone
Iron Disulfide (FeS2) in Calcium Carbonate (CaCO3) matrix
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix