Citrine
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically a gemstone variety) specimens identified by the Rock Identifier community.
Citrine
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar
Quartz (Specifically Clear to Smoky Quartz point)
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Amazonite
Amazonite (KAlSi3O8)
Quartz (specifically Milky/Yellow Quartz)
Silicon Dioxide (SiO2)
Blue Lace Agate
Chalcedony (SiO2) with trace impurities
Milky Quartz
Silicon Dioxide (SiO2)
Green Jasper (Heliotrope / Bloodstone variety)
Silicon Dioxide (SiO₂)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Larimar
Pectolite (Blue variety), NaCa2Si3O10(OH)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Clear Quartz
Silicon Dioxide (SiO2)
Tourmalinated Quartz
Silicon dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
Malachite
Copper carbonate hydroxide [Cu2CO3(OH)2]
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Banded Agate (specifically Lake Superior Agate style)
Agate (Cryptocrystalline Quartz), SiO2
Banded Agate (specifically sardonyx or carnelian agate variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Banded Agate (specifically Black Sardonyx/Onyx variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Amazonite
Microcline (variety Amazonite) - K(AlSi3O8)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Tourmalinated Quartz
Silicon Dioxide (SiO2) with Schorl inclusions (NaFe2+3Al6(BO3)3Si6O18(OH)4)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
Quartz Crystal (specifically Rock Crystal)
Silicon Dioxide (SiO2)
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
Red Jasper
Silicon dioxide with hematite impurities (SiO2 + Fe2O3)
Blue Chalcedony
Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)
White Quartz (Carved or Tumbled)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)