Rock Identifier

Category

Metamorphic

Browse metamorphic specimens identified by the Rock Identifier community.

Smoky Quartz (Silicon dioxide with aluminum impurities (SiO2)) — mineral

Smoky Quartz

Silicon dioxide with aluminum impurities (SiO2)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral
Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

mineral
Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

mineral
Strawberry Quartz (or Hematoid Quartz) (Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite) — mineral

Strawberry Quartz (or Hematoid Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

mineral
Quartz (Milky/Gray variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Gray variety)

Silicon Dioxide (SiO2)

mineral
Red Aventurine (Strawberry Quartz) (Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite) — Mineral

Red Aventurine (Strawberry Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

Mineral
Green Quartz (including Prase or Aventurine variants) (Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)) — mineral

Green Quartz (including Prase or Aventurine variants)

Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)

mineral
Red Garnet (Almandine-Pyrope series) (Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)) — mineral

Red Garnet (Almandine-Pyrope series)

Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Plagioclase Feldspar (Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)) — Mineral

Plagioclase Feldspar

Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)

Mineral
Clear Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

mineral
Rose Quartz (Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese

mineral
Fluorite, Turquoise, and Calcite set (Calcium Fluoride (CaF2), Hydrous Phosphate of Copper and Aluminum (CuAl6(PO4)4(OH)8·4H2O), Calcium Carbonate (CaCO3)) — mineral

Fluorite, Turquoise, and Calcite set

Calcium Fluoride (CaF2), Hydrous Phosphate of Copper and Aluminum (CuAl6(PO4)4(OH)8·4H2O), Calcium Carbonate (CaCO3)

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

Amazonite

Microcline (KAlSi3O8) with lead inclusions

mineral
Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

mineral
Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

mineral
Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

mineral
Tiger's Eye (SiO2 (Quartz with inclusion of iron oxides)) — mineral

Tiger's Eye

SiO2 (Quartz with inclusion of iron oxides)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral
Sand Grain (Silica/Quartz Grain) (Silicon Dioxide (SiO2)) — sedimentary

Sand Grain (Silica/Quartz Grain)

Silicon Dioxide (SiO2)

sedimentary
Pyrite in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2)

mineral
Mica (Muscovite) (Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2) — mineral

Mica (Muscovite)

Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2

mineral
Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Green Aventurine (Quartz)

SiO2 (Silicon Dioxide with Fuchsite inclusions)

mineral
Raw Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Raw Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

sedimentary
Green Opal (Hydrated Silica (SiO2·nH2O)) — mineraloid

Green Opal

Hydrated Silica (SiO2·nH2O)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Almandine Garnet (Almandine [Fe3Al2(SiO4)3]) — mineral

Almandine Garnet

Almandine [Fe3Al2(SiO4)3]

mineral
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartz / Quartzite (Quartz (Silicon Dioxide, SiO2)) — metamorphic

Quartz / Quartzite

Quartz (Silicon Dioxide, SiO2)

metamorphic
Dyed Blue Quartzite (SiO2 (Silicon Dioxide) with artificial colorants) — metamorphic

Dyed Blue Quartzite

SiO2 (Silicon Dioxide) with artificial colorants

metamorphic
Unakite Pebble (Epidotized Granite) — metamorphic

Unakite Pebble

Epidotized Granite

metamorphic
Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

metamorphic
Quartzite Pebbles (Quartzite (SiO2)) — metamorphic

Quartzite Pebbles

Quartzite (SiO2)

metamorphic
Quartzite River Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite River Pebble

Metamorphosed Quartz Sandstone (SiO2)

metamorphic
Yellow Quartzite (River Pebble) (Quartzite (SiO2 with iron oxide impurities)) — metamorphic

Yellow Quartzite (River Pebble)

Quartzite (SiO2 with iron oxide impurities)

metamorphic