Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Druzy Quartz on Vesicular Basalt
Silicon Dioxide (SiO2) in an extrusive Mafic igneous host rock
Rose Quartz
Silicon dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Chert (specifically a Worked Flint/Knapped Flake)
Chert / Flint (Microcrystalline Quartz, SiO2)
Amber
Succinite (specifically for Baltic amber; fossilized tree resin)
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble (Iron-Stained)
Quartz (Silicon Dioxide - SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Quartz in Matrix (possibly with Biotite or Hornblende)
Quartz (Silicon Dioxide, SiO2) in Granitic Matrix
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
Massive Milky Quartz (with Iron Inclusions)
Quartz (Silicon Dioxide, SiO2)
Quartz with Chalcedony
Silicon dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Quartzite with Sandstone/Iron staining
Metamorphic Quartzite (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Fancy Jasper
Silicon dioxide (SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Pallasite Meteorite (likely Imilac or Brenham)
Stony-Iron Meteorite (Pallasite)
Fluorite (Purple Octahedron)
Calcium Fluoride (CaF2)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Quartzite River Cobble
Quartzite (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Peridot (Olivine)
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Quartzite
Quartzite (SiO2)
Quartzite with inclusions
Quartzite (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Greenstone / Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities