Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Rough Sapphire (Corundum)
Corundum (Al2O3)
Quartz
Silicon Dioxide (SiO2)
Amazonite
Potassium Feldspar (KAlSi3O8)
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8) with Pb impurities
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
K(AlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (Quartz variety), SiO2
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Raw Sapphire / Corundum
Corundum (Al2O3 - Aluminium oxide)
Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Jasper (likely Polychrome or Mookaite variants)
Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Quartz (White/Milky Quartz)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amazonite
Amazonite (KAlSi3O8)
Fluorite (Blue)
Calcium Fluoride (CaF2)
Fluorite (specifically Blue John or Banded Fluorite)
Calcium Fluoride (CaF2)
Chrysoberyl (Cyclic Twin)
Beryllium Aluminum Oxide (BeAl2O4)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Tumbled Carnelian
Silicon Dioxide (Variety of Chalcedony), SiO2
Emerald in Matrix (Quartz/Schist)
Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities
Agate
Silicon Dioxide (SiO2)