Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Banded Chalcedony (Agate)
Silicon Dioxide (SiO2)
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
Quartz
Silicon Dioxide (SiO2)
Amethyst (Polished/Carved Crystal)
Silicon Dioxide (SiO2) with trace Iron (Fe)
Larimar
Pectolite, NaCa2Si3O8(OH)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide (SiO2) with inclusions
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Fluorite (Green)
Fluorite (Calcium Fluoride, CaF2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
Native Gold Nugget
Native Gold (Au)
Yellow Agate
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Black Onyx
Cryptocrystalline Chalcedony (SiO2)
Mixed Quartz and Jasper Pebbles
Silicon Dioxide (SiO2)
Quartz pebble
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Gold Grain
Native Gold (Au)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)