Mica Schist with Quartz
Mica Schist (primarily Muscovite or Biotite with Quartz)
metamorphic
Category
Igneous, Sedimentary, Or Metamorphic (Mineral Based)
Browse igneous, sedimentary, or metamorphic (mineral based) specimens identified by the Rock Identifier community.
Learn about Igneous, Sedimentary, Or Metamorphic (Mineral Based) in the encyclopedia
View all →
Conglomerate (or Breccia / Porphyry)
Clastic Sedimentary Rock (Conglomerate / Sandstone)
sedimentary
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Common Opal
Hydrated amorphous silica (SiO2·nH2O)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine Quartz / Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
SiO2 (Silicon Dioxide)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Banded Calcite (Green Onyx)
Calcium Carbonate (CaCO3)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Red Quartzite
Quartzite (primarily SiO2 with hematite impurities)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
igneous
Sandstone
Arenite (primarily Quartz Arenite)
sedimentary
Greenschist
Chlorite schist
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and Biotite)
metamorphic
Biotite Schist
Biotite Schist (Metamorphic Rock featuring K(Mg,Fe)3AlSi3O10(OH)2)
metamorphic
Sandstone
Sandstone (SiO2 dominant)
sedimentary
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Greenschist
Greenschist facies metamorphic rock
metamorphic
Red Sandstone (Iron-Rich)
Arenite (Fe2O3)
sedimentary
Mica
Muscovite / Biotite (Phyllosilicate group)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Dalmation Stone (Dalmation Jasper)
Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)
igneous
Biotite (Black Mica) in Host Rock
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine
Citrine (Silicon Dioxide, SiO2)
mineral
Brachiopod or Bivalve Fossil in Limestone
Phylum Brachiopoda or Bivalvia (embedded in Calcium Carbonate matrix)
fossil
Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
gemstone
Quartz
Silicon Dioxide (SiO2)
mineral