Rock Identifier

Category

Sedimentary Or Metamorphic Derived

Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Orthoclase Feldspar (Sunstone variety) (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Orthoclase Feldspar (Sunstone variety)

KAlSi3O8 (Potassium Aluminum Silicate)

Emerald with Matrix (Emerald in Mica Schist) (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — mineral

Emerald with Matrix (Emerald in Mica Schist)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Quartz (specifically Milky Quartz or Quartzite) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky Quartz or Quartzite)

Silicon Dioxide (SiO2)

Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

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

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Gold in Quartz Matrix (Native Gold (Au) with Quartz (SiO2) and Slate/Shale) — mineral

Gold in Quartz Matrix

Native Gold (Au) with Quartz (SiO2) and Slate/Shale

Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

Almandine Garnet in Matrix (Almandine, Fe3Al2(SiO4)3) — metamorphic

Almandine Garnet in Matrix

Almandine, Fe3Al2(SiO4)3

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

Quartz / Quartzite

Silicon Dioxide (SiO2)

mineral / metamorphic

Yellow Aventurine (Quartz (Silicon Dioxide - SiO2) with inclusions of Mica) — Mineral

Yellow Aventurine

Quartz (Silicon Dioxide - SiO2) with inclusions of Mica

Yellow Aventurine (Yellow Quartzite) (Silicon Dioxide (SiO2) with inclusions) — metamorphic

Yellow Aventurine (Yellow Quartzite)

Silicon Dioxide (SiO2) with inclusions

Jadeite Jade (NaAlSi2O6 (Sodium Aluminum Silicate)) — metamorphic

Jadeite Jade

NaAlSi2O6 (Sodium Aluminum Silicate)

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Ruby and Diamond Heart Pendant (Corundum (Al2O3) and Diamond (C)) — mineral

Ruby and Diamond Heart Pendant

Corundum (Al2O3) and Diamond (C)

Banded Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock (Gneiss/Schist) (Silicon Dioxide (SiO2) within a metamorphic matrix) — metamorphic

Quartz Vein in Host Rock (Gneiss/Schist)

Silicon Dioxide (SiO2) within a metamorphic matrix

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Sodalite (Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)) — mineral

Sodalite

Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Quartzite (Metamorphic Rock (Mainly SiO2)) — metamorphic

Quartzite

Metamorphic Rock (Mainly SiO2)

Quartzite Pebble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (SiO2)

Quartz (Crystal Fragment) (Quartz / Silicon Dioxide (SiO2)) — mineral

Quartz (Crystal Fragment)

Quartz / Silicon Dioxide (SiO2)

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

Quartz

Quartz (Silicon Dioxide, SiO2)

Green Aventurine (Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)

Nuummite (Nuummite (Ortho-amphibole rock, primarily Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (Ortho-amphibole rock, primarily Anthophyllite and Gedrite)

Green Aventurine (Silicon dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite mica

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Quartzite Pebble (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite Pebble

SiO2 (Silicon Dioxide)

Quartzite pebble (Quartzite (SiO2)) — metamorphic

Quartzite pebble

Quartzite (SiO2)

Muscovite (White Mica) (Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2) — Mineral

Muscovite (White Mica)

Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Amazonite (KAlSi3O8 (Potassium aluminum silicate - blue-green variety of Microcline)) — mineral

Amazonite

KAlSi3O8 (Potassium aluminum silicate - blue-green variety of Microcline)

Citrine (Quartz (Silicon Dioxide - SiO2)) — mineral

Citrine

Quartz (Silicon Dioxide - SiO2)

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald) (Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))) — mineral

Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)

Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))

Muscovite Mica (with Quartz) (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica (with Quartz)

Muscovite (KAl2(AlSi3O10)(OH)2)

Red Garnet (Pyrope or Almandine) (Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)) — mineral

Red Garnet (Pyrope or Almandine)

Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)