White Calcite
Calcium Carbonate (CaCO3)
Category
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
White Calcite
Calcium Carbonate (CaCO3)
Amazonite
Potassium Feldspar (Microcline) - KAlSi3O8
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Smoky Quartz
Silicon Dioxide (SiO₂)
Cloudy Quartz / Quartz Tumble
Silicon Dioxide (SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH
Smoky Quartz
Silicon Dioxide (SiO2)
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Agate
Silicon dioxide (SiO2)
Zircon
Zirconium Silicate (ZrSiO₄)
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Soapstone (Talc-Schist)
Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)
Quartz in Matrix
Silicon Dioxide (SiO2)
Green Aventurine (Propably a tumbled variety)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Agate (translucent slice)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Labradorite
Labradorite (Ca, Na)(Al, Si)4O8
Hematite
Iron(III) oxide (Fe2O3)
Banded Agate (Gray Agate)
Silicon Dioxide (SiO2) - Chalcedony
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Black Tourmaline (Schorl)
Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3)(OH)3(OH))
Hematite
Iron(III) oxide (Fe2O3)
Gold
Gold (Au)
Pyrite
Iron Disulfide (FeS2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Blue Quartz (specifically Dumortierite Quartz)
SiO2 (Silicon Dioxide) with inclusions of AlAl6BSi3O18 (Dumortierite)
Smoky Quartz
Quartz (SiO₂)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)