Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe3+)
mineral
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
mineral
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 (Muscovite with Chromium)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Marble
Recrystallized Calcite / Dolomite (CaCO3)
metamorphic
Green Aventurine
Quartzite (variety Aventurine) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Garnet Schist or Garnet-bearing Quartzite
Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)
metamorphic
Quartzite with Iron Inclusions
Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)
metamorphic
Almandine Garnet in Schist Matrix
Almandine - Fe3Al2(SiO4)3
metamorphic
River Quartzite Siltstone
Quartz-rich Meta-siltstone (SiO2 dominated)
metamorphic
Kunzite (variety of Spodumene)
Lithium Aluminum Silicate (LiAlSi2O6)
mineral
Aquamarine
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Orange Quartzite / Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate, (Mg,Fe)2SiO4
Mineral
Garnet Schist
Almandine-Mica Schist
metamorphic
Granite and Igneous Mix
Phaneritic Felsic to Mafic Intrusive Rocks
igneous
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Amethyst and Peridot
Amethyst (SiO2 with iron impurities) and Peridot ((Mg, Fe)2SiO4)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Mineral
Red Quartzite
Quartzite (primarily SiO2 with trace Fe2O3)
metamorphic
Blue Lace Agate
Silicon Dioxide (SiO2)
mineral
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
mineral
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
igneous
Moonstone
Orthoclase (Potassium Feldspar) - (K,Na)AlSi3O8
mineral
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
River Rock (likely Quartzite or Chert)
Quartzite (primarily SiO2)
metamorphic
Smoky Quartz
SiO2 (Silicon Dioxide with aluminum impurities)
mineral