Fluorite
Calcium Fluoride (CaF2)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
Magnetite
Magnetite (Fe3O4)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Limonite and Goethite (Ironstone)
Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Fluorite (Durango Fluorite)
Calcium Fluoride (CaF2)
Gold Nugget
Native Gold (Au)
Quartz (Quartzite)
Silicon Dioxide (SiO2)
Greenstone
Greenschist (metamorphosed mafic igneous rock)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Granitic Gneiss
Gneiss (Polymetamorphic Granitic Gneiss)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Peridot
Olivine (specifically, the gem-quality variety forsterite, (Mg,Fe)2SiO4)
Sandstone
Sandstone (clastic sedimentary rock, composed predominantly of sand-sized minerals or rock fragments)
Green Fluorite (Fluorite Sphere)
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
White Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
White Marble
Recrystallized Calcite (CaCO3)
Sandstone
Quartz Arenite (a type of sandstone composed of more than 90% quartz)
Obsidian
Amorphous volcanic glass (SiO2)
Specular Hematite with Quartz
Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite (often called Rainbow Fluorite or Purple-Green Fluorite)
Calcium Fluoride (CaF2)
Amygdaloidal Basalt
Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)
Greywacke
Dirty Sandstone (Lithic wacke)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Limonite (Iron Stone/Goethite)
Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))
Pumice
Pumicite (fine-grained pumice), Scoria (similar origin but denser and darker, usually basaltic)
Green Fluorite in Host Rock
Fluorite (Calcium Fluoride, CaF2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Ferruginous Sandstone
Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Lapis Lazuli
Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])