Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Category
Metamorphic (Localized) Or Sedimentary
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Quartz on Greenstone
Silicon Dioxide (SiO2) on Altered Igneous Geologic Unit
metamorphic
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Unakite
Epidotized Granite
metamorphic
Jade (Nephrite and Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2; Jadeite: NaAlSi2O6
metamorphic
Sunstone
Oligoclase or Andesine (Feldspar Group), (Ca,Na)((Al,Si)4O8)
mineral
Pyritic Quartzite
Metequartzite with FeS2 (Pyrite) inclusions
metamorphic
Dendritic Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Amethyst
Amethyst (Silicon Dioxide - SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Aventurine (Yellow Quartz)
Silicon Dioxide (SiO2) with inclusions of Muscovite or Mica
Mineral (variant of Quartz)
Smoky Quartz (Polished)
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2 (Calcium magnesium iron silicate hydroxide)
metamorphic
Magnetite (likely in Hematite or Ironstone)
Magnetite (Fe3O4)
mineral
Jadeite
Jadeite (NaAlSi2O6)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Rhodonite in Quartz Matrix
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn,Fe,Mg,Ca)SiO3
mineral
Amethyst and Ruby in Zoisite
Silicon Dioxide (SiO2) and Anyolite (Zoisite-Hornblende-Ruby mix)
mineral and metamorphic rock
Jadeite and Assorted Corundum (Ruby/Sapphire) / Beryl (Emerald)
Jadeite (NaAlSi2O6), Ruby/Sapphire (Al2O3), Emerald (Be3Al2(SiO3)6)
mineral
Ruby in Fuchsite
Corundum (Al2O3) in Chrome-Mica (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Jadeite (Jade)
Jadeite (NaAlSi2O6)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Chromium-rich Fuchsite mica inclusions
metamorphic
Amazonite
Potassium aluminum silicate (KAlSi3O8)
mineral
Quartzite with Iron Inclusions
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Unakite
Epidotized Granite
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Schist with Biotite and Quartz
Biotite-Quartz Schist (Fe,Mg,Al silicate mix)
metamorphic
Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 in SiO2
metamorphic
Chrysoberyl (Cyclic Twin)
Beryllium Aluminum Oxide (BeAl2O4)
mineral
Ruby (Rough/Raw)
Corundum (Al2O3:Cr)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (with probable Iron staining)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral