Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Category
Browse non geological specimens identified by the Rock Identifier community.
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Petrified Wood
Silicified Wood (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Granite Cobble
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Green Tourmaline (Verdelite)
Elbaite (Complex Borosilicate: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Sunstone (Feldspar variety)
Oligoclase or Andesine (Na,Ca)(Al,Si)4O8
Gneiss
Gneiss
Slate
Foliated Metamorphic Rock (composed mainly of Quartz, Illite, and Chlorite)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Watermelon Tourmaline in Quartz Matrix
Elbaite (complex Borosilicate) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Yellow Jasper variant)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Chert (specifically Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Jadeite Jade
Jadeite (NaAlSi2O6)
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
Chert (Black Flint)
Silicon Dioxide (SiO2)
Quartz Crystal (specifically a small Clear Quartz point)
Silicon Dioxide (SiO2)
Malachite
Copper carbonate hydroxide, Cu2CO3(OH)2
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Yellow Quartz (Iron-Stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Commonly known as Flint)
Microcrystalline Quartz (SiO2)
Carnelian
Carnelian Agate (Silica: SiO2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Carnelian (a variety of Chalcedony)
SiO2 (Silicon Dioxide) primarily colored by iron oxide (Hematite)
Yellow Quartzite (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide staining
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
Chert (Nodule)
Chert (Microcrystalline Quartz, SiO2)