Green cabochon gemstone pendant, likely turquoise or dyed green turquoise
Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Green cabochon gemstone pendant, likely turquoise or dyed green turquoise
Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing
Snowflake Obsidian (Tumbled)
Obsidian with Cristobalite inclusions
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Tumbled quartz-rich stone, possibly blue quartz or granite
Quartz (SiO₂), with probable feldspar and dark accessory minerals
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
Amethyst Quartz fragment
SiO2 (Silicon Dioxide with Iron impurities)
Red Quartz (Tumbled)
Silicon Dioxide with Iron Oxide inclusions (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Apatite
Fluorapatite (Ca5(PO4)3F)
Weathered quartz-rich stone, possibly chalcedony or calcite
Likely microcrystalline quartz (SiO₂) or calcite (CaCO₃); exact identification requires testing
Milky quartz
Quartz (silicon dioxide, SiO₂)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Yellow Fluorite
Calcium Fluoride (CaF2)
Muscovite Mica
Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
Quartz (Druzy / Goldstone Gemstone Cabochon)
Silicon Dioxide (SiO2)
Chert (variant Flint/Jasper)
Microcrystalline Opaline Silica (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Bicolor Quartz Tumble
Silicon Dioxide (SiO2)
Mixed Tumbled Quartz and Chlorite Quartz
Silicon Dioxide (SiO2) with inclusions
Obsidian
Volcanic glass
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
SiO2 (Silicon Dioxide)
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Yellow Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Vein in Rhyolite
Silicon Dioxide (SiO2) in extrusive igneous rock
Quartz Pebble
Crystalline Silica (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
Snowflake Obsidian and Green Aventurine
Volcanic Glass (SiO2 with Cristobalite inclusions) and Quartz (SiO2 with Fuchsite)