Banded Agate (specifically Lake Superior Agate style)
Silicon Dioxide (SiO2) - Chalcedony variety
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Banded Agate (specifically Lake Superior Agate style)
Silicon Dioxide (SiO2) - Chalcedony variety
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst (Pale/Light Variety)
Quartz (Silicon Dioxide) with Iron impurities - SiO2
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Lake Superior Agate
Silicon dioxide (chalcedony variety quartz)
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Rose Quartz
Silicon dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Yellow Sapphire
Corundum (Al2O3)
Chalcedony (Agate nodule fragment)
Silicon Dioxide (SiO2)
Angelite
Anhydrous Calcium Sulfate (CaSO4)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amazonite
Microcline (KAlSi3O8)
Blue Lace Agate
Chalcedony (SiO2) with trace minerals
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
Ruby in Zoisite (Anyolite)
Corundum var. Ruby in Zoisite (Al2O3 + (Ca2Al3(SiO4)3(OH)))
Jasper
Jasper (Silicate mineral, SiO2)
Jasper (var. Ocean or Polychrome Jasper)
Silicon Dioxide (SiO2) with iron and mineral inclusions
Green Opal (Prase Opal)
SiO2 · nH2O (Hydrated Silicon Dioxide)
Agate
Silicon dioxide (SiO2)
Satin Spar (often marketed as Selenite)
Gypsum (CaSO4·2H2O)
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (SiO2 - Silicon Dioxide with iron impurities)
Agate
Silicon dioxide (SiO2)