Almandine Garnet (weathered)
Almandine (Fe3Al2(SiO4)3)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Almandine Garnet (weathered)
Almandine (Fe3Al2(SiO4)3)
Larimar (with dendritic inclusions)
Blue Pectolite (NaCa2Si3O8(OH))
Amazonite
Amazonite (KAlSi3O8 – a variety of Microcline, a Potassium Feldspar)
Quartz (Citrine or Iron-stained variety)
Silicon Dioxide (SiO2)
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
White Jade / Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Quartz (Smoky/Milky Variety)
Silicon Dioxide (SiO2)
Citrine Geode (or Druzy Citrine)
Silicon Dioxide (SiO₂) - a variety of Quartz
Tumbled carnelian (likely orange chalcedony)
Carnelian, a cryptocrystalline variety of quartz; SiO₂, commonly colored by iron oxides
Tumbled amethyst
Quartz, SiO₂; purple variety colored mainly by trace iron and irradiation
Quartz (Tumbled/Water-worn)
Silicon Dioxide (SiO2)
Quartz (Quartzite)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Jasper
Jasper (Silicon Dioxide) - SiO2
Jasper
Jasper (SiO2)
Sodalite
Na8(Al6Si6O24)Cl2
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Quartz
Silicon Dioxide (SiO2)
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Complex Borosilicate)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chalcedony
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz / Chalcedony
Silicon Dioxide (SiO2)
Amethyst crystal cluster
Amethyst, purple quartz (SiO₂) colored mainly by iron impurities and irradiation
Smoky Quartz
Silicon Dioxide (SiO2)
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
Quartz (Milky Quartz / Quartz Specimen)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper (specifically Picture Jasper or Landscape Jasper)
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Jasper
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Amethyst (Rose-tinted/Pale variety)
Silicon Dioxide (SiO2) with iron impurities
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Amazonite
K(AlSi3O8) - Microcline variant
Quartz chunk
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)