Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Moonstone (Tumbled)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite
mineral
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
mineral
Banded gneiss (likely amphibolite-bearing gneiss)
Gneiss; quartz–feldspar–mica/amphibole aggregate
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Rough Tanzanite
Zoisite (Ca2Al3(SiO4)3(OH))
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
igneous/metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartz-rich metamorphic rock (likely mica schist or gneiss)
Quartz–feldspar–mica assemblage; probable biotite schist/gneiss
metamorphic
Muscovite Mica
Muscovite KAl2(AlSi3O10)(OH)2
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Mixed rock and mineral collection
Multiple specimens; visible pieces may include quartz, calcite, agate/chalcedony, jasper, and dyed or coated materials
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rhodonite-bearing metamorphic rock
Manganese-rich metamorphic rock, chiefly rhodonite (MnSiO₃), with quartz and manganese oxides
metamorphic
Unakite
Epidotized Granite
metamorphic
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Schist / Gneiss
Silicon Dioxide (SiO2) in Metamorphic Matrix
igneous
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Slate
Slate (foliated metamorphic rock)
metamorphic
Schist
Mica Schist
metamorphic
Epidote (Unakite-related)
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Garnet Schist
Almandine Garnet in Micaceous Schist
metamorphic
Lapis Lazuli
Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Tiger's Eye
Crocidolite in Quartz (altered)
Mineral
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
mineral
Rough Blue Sapphire
Corundum (Al2O3)
mineral
Milky quartz-rich vein rock
Quartz, SiO₂, likely massive or microcrystalline quartz
mineral
Quartzite Pebble
Metamorphic Rock (rich in SiO2)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and Biotite composition)
metamorphic
Glaucophane Schist (Blueschist)
Blueschist (Glaucophane-bearing schist)
metamorphic
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral