Sunstone
Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8
Category
Browse igneous or sedimentary (anthropogenic modification) specimens identified by the Rock Identifier community.
Sunstone
Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2)
Labradorite
(Ca, Na)(Al, Si)4O8
Milky Quartz
Silicon Dioxide (SiO2)
Garnet (Pyrope-Almandine series)
Garnet Group, (Mg,Fe)3Al2Si3O12
Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe3+)
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with trivalent iron (Fe3+) impurities
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Moonstone
Orthoclase feldspar (KAlSi3O8)
Citrine
Citrine (Silicon Dioxide, SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Labradorite
Labradorite (Plagioclase Feldspar series; (Ca,Na)(Al,Si)4O8)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Biotite (Mica)
Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Smoky Quartz with Calcite/Quartz Veining
Silicon Dioxide (SiO2)
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
Carnelian Agate
Chalcedony (SiO2 with iron oxide impurities)
Smoky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Rutilated Quartz (with Garnet pendant)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Rough Sapphire (Corundum)
Corundum (Al2O3)
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
Labradorite (Feldspar)
Labradorite, (Ca,Na)(Al,Si)4O8
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxides
Bornite (Peacock Ore)
Bornite (Cu5FeS4)