Garnet (almandine or pyrope variety)
Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3
Category
Browse metamorphic or igneous specimens identified by the Rock Identifier community.
Garnet (almandine or pyrope variety)
Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3
Peacock Ore (Bornite or Chalcopyrite treated with acid)
Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)
Smoky Quartz (Rough Specimen)
Silicon Dioxide (SiO2)
Sandstone (Arkose)
Arkose Sandstone (SiO2 with KAlSi3O8)
Citrine
Citrine (Silicon Dioxide, SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
Rough Green Sapphire (Corundum)
Corundum (Al2O3 - Aluminum Oxide with trace elements)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Labradorite (Carved)
(Ca, Na)(Al, Si)4O8
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3) with iron and titanium impurities
Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Magnetite
Iron(II,III) oxide (Fe3O4)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Gray/Smoky Variety)
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Grey Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)