Carnelian
Carnelian (Silicon Dioxide, SiO2)
mineral
Category
Mineral (Gemstone Variety Of Beryl)
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Pink Tourmaline (Rubellite)
Rb:Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite variety)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
Blue Lace Agate
Cryptocrystalline Quartz (SiO2)
mineral
Kunzite (variety of Spodumene)
Lithium Aluminum Silicate (LiAlSi2O6)
mineral
Garnet (Almandine variety)
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Carnelian (a variety of Chalcedony)
Silicon dioxide (SiO2) with iron oxide impurities
mineral
Red Jasper
Jasper (Silicon Dioxide with Hematite inclusions), SiO2
sedimentary
Yellow Jasper
Jasper (SiO2) with iron hydroxide inclusions
sedimentary
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Beach Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper (Brown Iron-Rich Variety)
Silicon Dioxide (SiO2) with Fe2O3 (Iron Oxide/Crystalline Quartz)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Larimar
Pectolite (a blue variety of Pectolite)
Mineral
Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Tiger's Eye
SiO2 (Quartz with inclusion of iron oxides)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Red Jasper (with Quartz inclusions)
Silicon Dioxide (SiO2)
sedimentary (physico-chemical)
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Citrine
Citrine (Silicon Dioxide - SiO2)
mineral
Amethyst (variety of Quartz)
SiO2 (Silicon Dioxide)
Mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Moonstone (Blue Flash)
Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Milky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Quartz (Milky or Rough Variety)
Silicon Dioxide (SiO2)
mineral
Sunstone
Orthoclase or Oligoclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Amazonite
Amazonite (KAlSi3O8, a triclinic variety of Potassium Feldspar)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral