Greenschist
Greenschist (Chlorite Schist facies)
metamorphic
Category
Sedimentary Or Metamorphic
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Metamorphic in the encyclopedia
View all →
Green Quartzite (Aventurine-like)
Quartzite (primarily SiO2 with trace Fuchsite mica inclusions)
metamorphic
Soapstone
Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)
metamorphic
Schist
Mica Schist (primarily Muscovite and Quartz)
metamorphic
Shale
Shale (Lutite)
sedimentary
Faceted Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
gemstone
Multi-Gemstone Quartz Bracelet (Amethyst, Aventurine, Rose Quartz, Clear Quartz)
Silicon Dioxide (SiO2) mixture
gemstone
Orthoclase Feldspar
K(AlSi3O8)
mineral
Black Tourmaline (Schorl)
Schorl (Sodium iron aluminum borosilicate hydroxide) NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Tiger's Eye
Pseudomorph of quartz after crocidolite (SiO2)
metamorphic
Morganite and Aquamarine (Beryl) Bracelet
Beryllium aluminum silicate, Be3Al2(SiO3)6
gemstone
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2)
mineral
Rough Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Tumbled Agate and Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
mineral
Jade (Nephrite and Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6
metamorphic
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
mineral
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Greenstone / Serpentinite
Antigorite/Lizardite series (Mg,Fe)3Si2O5(OH)4
metamorphic
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Jadeite
NaAlSi2O6; Jadeite silicate mineral
metamorphic
Sapphire
Corundum (Al2O3)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
mineral
Magnetite with Serpentine
Magnetite (Fe3O4) in Serpentine Matrix
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Green Aventurine
Silicon Dioxide (SiO2+KAl2(AlSi3O10)(OH)2)
metamorphic
Milky Quartz on Matrix
Quartz (Silicon Dioxide, SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral