Mineral (Metamorphic Pseudomorph)

Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.

Clear Quartz

Silicon dioxide (SiO2)

mineral

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

metamorphic

Blue Calcite

Calcium Carbonate (CaCO3)

mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Pink Feldspar

Orthoclase (KAlSi3O8) or Microcline

mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral

Pyrite in Matrix (Quartz/Schist)

Iron Sulfide (FeS2)

mineral

Epidote with Magnetite/Hematite inclusions

Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides

mineral

Quartz (Pale Rose or Milky Variety)

Silicon Dioxide (SiO2)

mineral

Graphite

Graphite (C)

mineral

Sodalite

Na8(Al6Si6O24)Cl2

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Labradorite

Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8

mineral

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

Quartz (Milky Variant)

Silicon Dioxide (SiO2)

mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)

mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Tourmaline

Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)

mineral

Tiger's Eye

Titanium-containing Quartz (Silica: SiO2)

Mineral

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

mineral

Blue Calcite

Calcium Carbonate (CaCO3)

mineral

Banded Agate

Silicon Dioxide (SiO2) - Microcrystalline Quartz

mineral

Pyrite (Iron Pyrite)

Iron Sulfide (FeS2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral

Bornite

Bornite (Cu5FeS4)

mineral

Quartz Pebble (Iron-Stained)

Silicon Dioxide (SiO2)

mineral

Agate

Banded Chalcedony (SiO2 - Silicon Dioxide)

mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral

Almandine Garnet in Schist

Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist

metamorphic

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

mineral

Rutilated Quartz (with Garnet pendant)

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

mineral

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

mineral

Sunstone

Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8

mineral

Ruby Zoisite

Anyolite (Composition of Green Zoisite, Black Tschermakite, and Red Corundum)

metamorphic

Pink Thulite (in Pumice-like texture)

Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)

metamorphic

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F

mineral