Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Category
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Pyrite
Iron Sulfide (FeS2)
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Magnetite (Small Granule)
Magnetite (Fe3O4)
Gneiss
Gneiss
Galena
Lead Sulfide (PbS)
Quartz
Quartz (SiO₂)
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
Quartz
Silicon Dioxide (SiO2)
Green Quartz (Prasiolite or Aventurine)
Silicon Dioxide (SiO2)
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
Blue Kyanite
Kyanite (Al2SiO5)
Graphite
Graphite (Carbon, C)
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
Green Mica Schist
Mica Schist (Fuchsite or Chlorite variety)
Quartz (in a rock matrix)
Quartz (SiO2)
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
Quartz
Silicon Dioxide (SiO2)
Green Schist
Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)
Plagioclase Feldspar
Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)
Blue Dumortierite Quartz
Dumortierite Inclusions in Quartz (SiO2 with Al7(BO3)(SiO4)3O3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Quartz (Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (partially iron-stained)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
Quartz
Silicon Dioxide (SiO2)
Veined Quartz
SiO2 (Silicon Dioxide)
Epidote (Unakite component) / Green Quartzite
Ca2(Al,Fe)3(SiO4)3(OH)
Magnetite
Iron(II,III) oxide (Fe3O4)
Quartz
Quartz (SiO₂)
Green Kyanite
Kyanite (Al2SiO5)
Magnetite
Magnetite (Fe3O4)
Magnetite (or Magnetic Iron Ore)
Magnetite (Fe3O4)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)