Labradorite
(Ca, Na)(Al, Si)4O8
Category
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Labradorite
(Ca, Na)(Al, Si)4O8
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
Bornite
Bornite (Cu5FeS4)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Rose Quartz
Silicon dioxide (SiO2) with trace titanium, manganese, or iron
Granite Pebble
Igneous Intrusive Rock (Quartz-Feldspar-Mica Phenocrysts)
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
Granite
Plutonic Igneous Rock (composed typically of SiO2, Al2O3, K2O, Na2O, CaO)
Basalt River Stone
Basaltic Igneous Rock
Basalt
Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)
Citrine
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Biotite (Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
Milky Quartz
Silicon Dioxide (SiO2)
Gold
Native Gold (Au)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Hypersthene
Hypersthene ((Mg,Fe)SiO3)
Biotite on Matrix
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
Biotite / Black Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Yellow Quartz
Silicon Dioxide (SiO2)
Sodalite
Chloric sodium aluminum silicate (Na8(Al6Si6O24)Cl2)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Olivine in Basalt matrix
Peridotite (Mg, Fe)2SiO4
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Granite
Granite
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Anyolite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Clear Quartz Point
Silicon Dioxide (SiO2)
Biotite (Black Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
Arfvedsonite in Quartz
Arfvedsonite [Na3(Fe2+4Fe3+)Si8O22(OH)2] often hosted in Quartz or Feldspar
Granite
Granite
Yellow Agate
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Sodalite
Na8(Al6Si6O24)Cl2
Peridot
Olivine ((Mg, Fe)2SiO4)