Blue Calcite
Calcite (CaCO3)
Category
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Blue Calcite
Calcite (CaCO3)
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)
Quartz (Milky or Yellowish)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz Star
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Garnet (Almandine/Pyrope variety)
Silicate mineral group; typically Fe3Al2(SiO4)3 (Almandine) or Mg3Al2(SiO4)3 (Pyrope)
Quartz
Silicon dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Specular Hematite with Pyrite
Iron Oxide (Fe2O3) with Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Calcite (Optical Calcite / Iceland Spar)
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Grain/Fragment)
Silicon Dioxide (SiO2)
Quartz
SiO2 (Silicon Dioxide)
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Pyrite (on host rock)
Iron Sulfide (FeS2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Emerald / Green Beryl
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)