Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Category
Browse igneous and metamorphic specimens identified by the Rock Identifier community.
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Magnetite
Fe3O4 (Iron(II,III) oxide)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite / Ironstone
Magnetite (Fe3O4)
Garnet in Schist or Pegmatite
Almandine Garnet (Fe3Al2(SiO4)3) in host rock
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
White Sapphire
Corundum (Al2O3)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Greenschist
Greenschist (Chlorite Schist)
Kfeldspar (Potassium Feldspar)
KAlSi3O8
K-Feldspar (Potassium Feldspar / Pink Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz with Inclusions
Silicon Dioxide (SiO2)
Blue Topaz
Al2SiO4(F,OH)2
Orange Calcite
Calcium Carbonate (CaCO3)
Potassium Feldspar (Microcline / Orthoclase)
KAlSi3O8
Garnet
Silicate mineral group (often Pyrope or Almandine in this color range)
Agate
SiO2 (Chalcedony/Quartz)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Corundum
Corundum (Aluminium oxide, Al2O3)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Zoisite with Rubellite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende (Anyolite)
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
Gneiss
Metamorphic Gneiss
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Clear Quartz
Silicon dioxide (SiO2)
Labradorite
(Ca,Na)(Al,Si)4O8
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)