Basalt Pebble with Epidote/Olivine
Vitreous Basalt (SiO2 with Ca/Mg/Fe silicates)
Category
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
Basalt Pebble with Epidote/Olivine
Vitreous Basalt (SiO2 with Ca/Mg/Fe silicates)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Chert
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Serpentine Jade (New Jade/Bowenite)
Antigorite (Mg3Si2O5(OH)4)
Jasper or Banded Chert
Silicon dioxide (SiO2) with impurities
Greywacke (River Slikenside)
Greywacke (Lithic Sandstone)
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (complex silicate mineral group (Mg,Fe)3Si2O5(OH)4)
Lapis Lazuli
Lapis Lazuli (Complex silicate mineral mix including Lazurite, Pyrite, and Calcite)
Jasper
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Banded Agate (specifically Carnelian Agate color)
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian (Flame Polished)
Carnelian (SiO2 with Iron Oxide impurities)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz Geode with Calcite
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Chert (Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Moonstone
Adularia or Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8), specifically with lamellar exsolution of albite and orthoclase.
Citrine
Quartz (SiO₂) variety
Orange Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Banded Agate
Cryptocrystalline variety of Quartz (SiO2)
Red Jasper
Jasper (a variety of Quartz, SiO2)
Blue Calcite (commonly sold as Caribbean Calcite)
Calcium Carbonate (CaCO3)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz Geode
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Carnelian Agate
Carnelian (Silicon Dioxide, SiO2)
Quartz (Citrine or Smoky variant)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Zinc Ore (Sphalerite in Matrix)
Sphalerite (Zn,Fe)S within a carbonate or silicate host rock
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Yellow Jasper (Limonite-stained Chert)
Silicon Dioxide (SiO2) with Limonite/Goethite inclusions