Serpentinite
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Category
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
Serpentinite
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Copper Ore (likely Chalcopyrite in Matrix)
Chalcopyrite (CuFeS2)
Plagioclase Feldspar
Plagioclase (NaAlSi3O8 - CaAl2Si2O8 series)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Rough Quartz (Grey-Green)
Silicon Dioxide (SiO2)
Calcite
Calcite (Calcium Carbonate, CaCO3)
Schist
Mica Schist
Quartz (Clear Quartz / Rock Crystal)
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Quartz (Milky Quartz/Citrine Type)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Galena
Lead(II) sulfide (PbS)
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
Blue Calcite
Calcium Carbonate (CaCO3)
White Quartz Star-cut crystal
Silicon Dioxide (SiO2)
Coarse-grained mica-bearing metamorphic rock, likely schist
Mica schist, probably muscovite–biotite schist with quartz and feldspar
Milky quartz fragment
Quartz (silicon dioxide, SiO₂)
Peacock Ore
Bornite (Cu5FeS4)
Sapphire
Corundum (Al2O3)
Soapstone (Steatite) Carving
Steatite (composed primarily of Talc, Mg3Si4O10(OH)2)
Pink Quartzite Pebble
Quartzite (SiO2)
Gold-bearing Quartz Vein in Mafic Rock
Hydrothermal Quartz Vein within Greenschist/Amphibolite facies (SiO2 with Au)
Mica Schist with Quartz
Mica Schist (primarily Muscovite or Biotite sheet silicates)
Quartzite and Jasper Pebbles
Quartzite (re-crystallized Quartz) and Cryptocrystalline Quartz (SiO2)
Quartzite River Rock
Quartzite
Quartzite
Quartzite (predominantly SiO2)
Lavender Jade and Snowy Quartz (Druzy)
NaAlSi2O6 (Jadeite) / SiO2 (Quartz)
Quartzite (Orthoquartzite)
SiO2 (Silicon Dioxide) with Iron Oxide inclusions
Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica/Amphibole)