Rock Identifier

Category

Mixed (Sedimentary, Igneous, And Metamorphic)

Browse mixed (sedimentary, igneous, and metamorphic) specimens identified by the Rock Identifier community.

Quartz (likely a weathered/tumbled piece) (Quartz (SiO₂)) — Mineral

Quartz (likely a weathered/tumbled piece)

Quartz (SiO₂)

Mineral
Sunstone (Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8) — mineral

Sunstone

Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8

mineral
Aventurine (Aventurine Quartz (SiO2)) — mineral

Aventurine

Aventurine Quartz (SiO2)

mineral
Amethyst (Chevron or Banded Amethyst) (Silicon Dioxide (SiO2) with trace Iron (Fe)) — mineral

Amethyst (Chevron or Banded Amethyst)

Silicon Dioxide (SiO2) with trace Iron (Fe)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

mineral
Potassium Feldspar (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar

Orthoclase (KAlSi3O8)

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz Pebble (Silicon Dioxide (SiO2)) — Mineral / Sedimentary occurrence

Quartz Pebble

Silicon Dioxide (SiO2)

Mineral / Sedimentary occurrence
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Corundum (Sapphire in Host Rock) (Corundum (Aluminum Oxide, Al2O3)) — mineral

Corundum (Sapphire in Host Rock)

Corundum (Aluminum Oxide, Al2O3)

mineral
Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Mineral
Feldspar (specifically Orthoclase) (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Feldspar (specifically Orthoclase)

Potassium Aluminum Silicate (KAlSi3O8)

mineral
Rhodolite Garnet (Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)) — mineral

Rhodolite Garnet

Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)

mineral
Blue Quartz (potentially Dumortierite-included) (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz (potentially Dumortierite-included)

Silicon Dioxide (SiO2) with inclusions

mineral
Rhodonite (Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

mineral
Peacock Ore (Bornite/Chalcopyrite) (Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Bornite/Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)

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

Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

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

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

mineral
Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

mineral
Biotite (Mica) (Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)) — mineral

Biotite (Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)

mineral
Lapis Lazuli (Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)

metamorphic
Epidote in Quartz (Epidosite) (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote in Quartz (Epidosite)

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

metamorphic
Moonstone (Orthoclase Feldspar (KAlSi3O8)) — Mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8)

Mineral
Chalcopyrite (Chalcopyrite (CuFeS2)) — Mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Dalmatian Jasper (Aplite with Arfvedsonite inclusions) — igneous

Dalmatian Jasper

Aplite with Arfvedsonite inclusions

igneous
Pyrite (Pyrite (FeS2)) — Mineral

Pyrite

Pyrite (FeS2)

Mineral
Anthracite Coal (Anthracite (Carbon C)) — metamorphic

Anthracite Coal

Anthracite (Carbon C)

metamorphic
Green Aventurine (likely) (Silicon dioxide (SiO2) with fuchsitemica inclusions) — Mineral (specifically a variety of Quartz)

Green Aventurine (likely)

Silicon dioxide (SiO2) with fuchsitemica inclusions

Mineral (specifically a variety of Quartz)
Smoky Quartz (Smoky Quartz (SiO ₂)) — Mineral

Smoky Quartz

Smoky Quartz (SiO ₂)

Mineral
Garnet-Mica Schist (Garnetiferous Porphyroblastic Schist) — metamorphic

Garnet-Mica Schist

Garnetiferous Porphyroblastic Schist

metamorphic
Garnet Rhyolite (Rhyolite (high-silica volcanic rock) with almandine/spessartine garnet) — igneous

Garnet Rhyolite

Rhyolite (high-silica volcanic rock) with almandine/spessartine garnet

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

Yellow Calcite

Calcium Carbonate (CaCO3)

mineral
Mica-rich Pegmatite (Pegmatite (rich in Muscovite and Biotite)) — igneous

Mica-rich Pegmatite

Pegmatite (rich in Muscovite and Biotite)

igneous
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining) (Quartz (SiO₂)) — Mineral

Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)

Quartz (SiO₂)

Mineral
Banded Gneiss (Gneiss (variable mineral composition)) — metamorphic

Banded Gneiss

Gneiss (variable mineral composition)

metamorphic
Gneiss (Gneiss (a type of metamorphic rock)) — Metamorphic Rock

Gneiss

Gneiss (a type of metamorphic rock)

Metamorphic Rock
Almandine Garnet in Schist (Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist) — metamorphic

Almandine Garnet in Schist

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

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

Bull Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral
Milky Quartz with Chlorite/Moss Infusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Chlorite/Moss Infusions

Silicon Dioxide (SiO2)

mineral
Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

mineral
Ruby (Corundum) (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

mineral