Rock Identifier

Category

Metamorphic (Modified)

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

Amazonite (Microcline (KAlSi3O8) with lead impurities) — mineral

Amazonite

Microcline (KAlSi3O8) with lead impurities

Aventurine Quartz (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — mineral

Aventurine Quartz

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Unakite (Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Unakite

Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Yellow Jade (Jadeite or Nephrite (NaAlSi2O6 or Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Yellow Jade

Jadeite or Nephrite (NaAlSi2O6 or Ca2(Mg,Fe)5Si8O22(OH)2)

Lazulite (Magnesium Aluminum Phosphate Hydroxide (MgAl2(PO4)2(OH)2)) — mineral

Lazulite

Magnesium Aluminum Phosphate Hydroxide (MgAl2(PO4)2(OH)2)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Rutilated Prehnite (Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions) — mineral

Rutilated Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions

Magnetite (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite

Iron(II,III) oxide (Fe3O4)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Potassium Feldspar (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar

Orthoclase (KAlSi3O8)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Crystalline Quartz (SiO2)) — mineral

Milky Quartz

Crystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Garnet in Host Rock (Garnet Group (A3B2(SiO4)3)) — metamorphic

Garnet in Host Rock

Garnet Group (A3B2(SiO4)3)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Serpentine (Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)) — metamorphic

Serpentine

Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Mica Schist (Mica Schist (primarily Muscovite or Biotite within a foliated matrix)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite within a foliated matrix)

Garnet Schist (Almandine Garnet in Schist (X3Al2(SiO4)3)) — metamorphic

Garnet Schist

Almandine Garnet in Schist (X3Al2(SiO4)3)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4

Quartzite (Metamorphosed Sandstone (Mainly SiO2)) — metamorphic

Quartzite

Metamorphosed Sandstone (Mainly SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Muscovite Mica (in Quartz matrix) (Potassium aluminum silicate hydroxide fluoride (KAl2(AlSi3O10)(F,OH)2)) — mineral

Muscovite Mica (in Quartz matrix)

Potassium aluminum silicate hydroxide fluoride (KAl2(AlSi3O10)(F,OH)2)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky/Common) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Milky Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Muscovite (Mica) (Muscovite - KAl2(AlSi3O10)(OH)2) — Mineral

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Muscovite Mica (with Schist) (Muscovite - KAl2(AlSi3O10)(OH)2) — metamorphic

Muscovite Mica (with Schist)

Muscovite - KAl2(AlSi3O10)(OH)2

Epidote in Matrix (Dragon Stone variant) (Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Epidote in Matrix (Dragon Stone variant)

Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

White Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Slate with Quartz (Low-grade Metamorphic Slate with SiO2 inclusions) — metamorphic

Slate with Quartz

Low-grade Metamorphic Slate with SiO2 inclusions

Epidote (with Quartz and Feldspar) (Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)) — metamorphic

Epidote (with Quartz and Feldspar)

Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)

Quartz with Chlorite or Hornblende inclusions (Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions) — metamorphic

Quartz with Chlorite or Hornblende inclusions

Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Garnet and Quartz (Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)) — mineral

Garnet and Quartz

Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)