Fossilized Shark Teeth
Carcharhiniformes or Lamniformes species (common mineral: Fluorapatite/Ca5(PO4)3F)
Category
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Fossilized Shark Teeth
Carcharhiniformes or Lamniformes species (common mineral: Fluorapatite/Ca5(PO4)3F)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Chrysocolla
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
Quartzite
Quartzite (Primary mineral: SiO2)
Azurite and Malachite on Matrix
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2
Fluorite
Calcium Fluoride (CaF2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Amber
Succinite (fossilized tree resin)
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Quartz Pebble
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Orca Agate (Blue Chalcedony)
Silicon Dioxide (SiO2)
Pyrite (on Quartz matrix)
Iron Disulfide (FeS2)
Fluorite (Blue)
Calcium Fluoride (CaF2)
Rose Quartz
Silicon Dioxide (SiO2)
Dendritic Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with inclusions
Yellow Aventurine
Quartz containing Muscovite or Mica inclusions (SiO2)
Mahogany Obsidian
Volcanic glass containing Magnetite/Hematite
Quartz (Milky/Crystal variety)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Jasper containing epidote (Unakite-like)
Epidotized Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Green Aventurine
Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Carnelian
Carnelian (a variety of Chalcedony); SiO2 (Silicon Dioxide)
Rose Quartz
Silicon Dioxide (SiO2)
Chrysoprase
Silicon dioxide (SiO2) with nickel impurities
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Native Copper
Native Copper (Cu)
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
Rhodonite
Manganese silicate (MnSiO3)
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Black Onyx
Silicon dioxide (SiO2)
Moonstone (Blue Flash)
Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar
Amethyst
Amethyst (Silicon Dioxide - SiO2)
Black Onyx
Silicon Dioxide (SiO2)