Ruby
Corundum (Al2O3 with Chromium traces)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Ruby
Corundum (Al2O3 with Chromium traces)
Labradorite
Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
White Quartz
Silicon Dioxide (SiO2)
Amethyst (Druze)
Silicon Dioxide (SiO2) with iron impurities
Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8) with trace lead
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8, a variety of Potassium Feldspar)
Bloodstone (also known as Heliotrope)
Silicon Dioxide (SiO2) - variety of Chalcedony
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
Raw Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst (Quartz Variety)
Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)
Carnelian
Carnelian (microcrystalline variety of Quartz, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicate - SiO2)
Amethyst
Silicon Dioxide (Quartz variety), SiO2
Banded Agate (specifically Sardonyx or Carnelian Agate)
Silicon Dioxide (SiO2) - Chalcedony variety
Quartz
Silicon Dioxide (SiO2)
Carnelian
SiO2 (Silicon Dioxide) - Carnelian variety of Chalcedony
Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Quartz Vein)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
Carnelian (Agate)
SiO2 (Silicon Dioxide) with Iron Oxide impurities
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)