Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Citrine
Quartz (SiO₂)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Amethyst (Chevron or Banded variety)
Silicon Dioxide (SiO2) with iron impurities
Jasper (specifically Fancy or Polychrome Jasper)
Silicon Dioxide (SiO2) - Chalcedony
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions - SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Amethyst (Quartz variety)
Amethyst - SiO2 (Silicon Dioxide with Iron impurities)
Hematite (Botryoidal/Kidney Ore)
Iron(III) oxide (Fe2O3)
Rough Ruby (Corundum) in Zoisite Matrix
Al2O3 (Aluminum Oxide) with Ca2Al3(SiO4)3(OH)
Yellow Jasper (Mookaite style)
Silicon Dioxide (SiO2) with Goethite/Hematite inclusions
Quartz (Smoky/Milky variety with inclusion)
Silicon Dioxide (SiO2)
Tanzanite
Blue/Violet Variety of Zoisite (Ca2Al3(SiO4)3(OH))
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron inclusions - SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz (Peach/Orange variety)
Silicon Dioxide (SiO2)
Almandine Garnet in Schist
Almandine, Fe3Al2(SiO4)3
Ruby
Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)
Labradorite (Dark or Black variety)
Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2 with iron oxide impurities)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Citrine or Smoky variant)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Agate (or Chalcedony)
SiO2 (Silicon Dioxide) - a cryptocrystalline variety of quartz