Banded Gneiss with Quartz Vein
Gneiss containing SiO2 (Quartz) intrusion
metamorphic
Category
Mineral (Metamorphic Pseudomorph)
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Learn about Mineral (Metamorphic Pseudomorph) in the encyclopedia
View all →
Hematite
Hematite (Fe2O3)
mineral
Aventurine (specifically Green Aventurine)
Silicon Dioxide (Quartz) with inclusions of Fuchsite; SiO2 + K(Al,Cr)2AlSi3O10(OH)2
metamorphic
White Marble
Metamorphic Limestone (CaCO3)
metamorphic
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Schist (specifically Mica Schist)
Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)
metamorphic
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Green Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Milky Quartz with Iron Staining
Quartz (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline
Schorl (NaFe3Al6(Si6O18)(BO3)3(OH,F)4)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Black Tourmaline (Tumbled)
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Silicon dioxide (Chalcedony), SiO2
mineral
Quartz (Raw Specimen)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Black Tourmaline (Schorl)
NaFe2+3Al6(BO3)3Si6O18(OH)4
mineral
Quartz (Pebble)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Quartz with Mica inclusions
Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Labradorite
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)
mineral
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8
mineral
Quartz Pebble (Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz / Diamond (untested)
Silicon Dioxide (SiO2) or Carbon (C)
mineral
Potassium Feldspar
K-Feldspar (Orthoclase/Microcline), KAlSi3O8
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Strawberry Quartz (Aventurine)
Silicon Dioxide with Hematite/Lepidocrocite inclusions (SiO2)
mineral
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral