Orange Calcite
Calcium Carbonate (CaCO3)
Category
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
Orange Calcite
Calcium Carbonate (CaCO3)
Rough Garnet in Matrix
Almandine Garnet (Fe3Al2Si3O12)
Honey Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Green Aventurine
Quartz variety (SiO2) with fuchsite inclusions
Pyrite
Iron Sulfide (FeS2)
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-feldspar, Quartz, and Biotite)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Jade (likely Jadeite or Nephrite)
Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Fancy Jasper
Silicon Dioxide (SiO₂)
Amazonite
K(AlSi3O8) - Lead-bearing Microcline
Agate (Polished Sphere)
Silicon Dioxide (SiO2)
Blue Quartzite
Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite)
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Citrine Quartz carving
Silicon Dioxide (SiO2)
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Smoky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
Banded Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Citrine Quartz
Silicon Dioxide (SiO2)
Quartz Druzy (on Geode Fragments)
Silicon Dioxide (SiO2)
Ocean Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Carnelian
Cryptocrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Larimar
Pectolite (NaCa2Si3O8(OH))