Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Specular Hematite
Hematite (Fe2O3)
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Quartz (Milky/Crystalline)
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Black Kyanite
Kyanite (Al2SiO5) with carbonaceous inclusions
Biotite Gneiss
Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)
Gneiss
Gneiss
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Diamond (as set in a metal alloy ring)
Diamond (Pure Carbon, C)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Gneiss (Metamorphic Rock)
Gneiss
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Shale
Shale (comprised mostly of clay minerals and quartz)
Gneiss
Gneiss (high-grade metamorphic rock)
Garnet Schist
Almandine Garnet Schist
Gneiss
High-grade regional metamorphic rock (Foliated)
Schist
Chlorite/Mica Schist
River Stone (Granitic Gneiss)
Foliated Granitic Gneiss
Gneiss
Foliated Metamorphic Gneiss
Gneiss (Cobble)
Gneiss
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with Elemental Gold (Au)
Gneiss (Metamorphic Cobble)
Gneiss
River Pebble (Gneiss or Granite)
Metamorphic Rock (likely Gneiss or Granitic composition)
Quartz Sand Gravel
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2