Granite Pegmatite
Pegmatite (Quartz, Feldspar, Mica)
igneous
Category
Mineral With Metamorphic Or Igneous Host
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
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Quartz Vein in Matrix / Quartzite
Silicon Dioxide (SiO2) with host rock
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Schist with Quartz Vein
Mica Schist with Crystalline Quartz (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz on Greenstone
Silicon Dioxide (SiO2) on Altered Igneous Geologic Unit
metamorphic
Raw Emerald in Schist Matrix
Beryl (Be3Al2Si6O18) in Mica Schist
Mineral in Metamorphic Rock
Blue Quartz with Dumortierite/Magnesio-riebeckite inclusions
Quartz (SiO2) containing Dumortierite (Al7(BO3)(SiO4)3O3)
igneous/metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Blue Quartz (or Blue Aventurine)
Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)
mineral
Parti Sapphire
Corundum (Al2O3)
mineral
Greenstone
Metabasalt / Greenschist
metamorphic
Quartz Vein in Basalt or Mafic Rock
Silicon Dioxide (SiO2) vein in volcanic/mafic matrix
igneous
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Quartz Pebble
Crystalline Silica (SiO2)
sedimentary
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
metamorphic
Granite cobble
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Emerald in Matrix
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Pegmatite
Igneous Pegmatite
igneous
Rutilated Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz-rich pegmatite fragment
Granite-family pegmatite; chiefly quartz (SiO₂), feldspar, and black mica (biotite)
igneous
Schist
Schist (various compositions)
metamorphic
Granitic Pegmatite
Granitic Pegmatite with Quartz and Feldspar
igneous
Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals (hydrous magnesium iron alumino-silicate)
mineral
Quartz (Druzy) in host rock
SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)
Mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Rough Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium
mineral
Quartz with Mica inclusions (likely Schist or Gneiss host)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)
metamorphic
Tumbled Chalcedony Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Labradorite (tumbled)
Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)
Mineral
Greenstone
Greenschist / Greenstone (Epimetamorphic Rock)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Agate (or Operculum / Fossil Shell)
Silicon Dioxide (SiO2)
mineral
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
metamorphic
Pegmatite (Quartz with Tourmaline/Biotite inclusions)
Igneous Pegmatite
igneous
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
mineral
K2 Jasper (K2 Granite)
Azurite in Granite (Al2Cu3(CO3)2(OH)2 in NaAlSi3O8)
igneous
Granite or Pegmatite in host rock
Granitoid / Felsic Intrusive Rock
Igneous
Quartz Vein in Host Rock (Gabbro or Basalt)
Silicon Dioxide (SiO2) with Mafic Silicates
metamorphic/igneous