Rock Identifier

Category

Sedimentary Or Metamorphic Derived

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

Learn about Sedimentary Or Metamorphic Derived in the encyclopedia

Khondalite

Calc-schist

Goldmanite

Oregon Opal

Orendite

Orthoclase

Orca Agate

Orange Opal

Peacock Ore

Orange Garnet

Orange Obsidian

Orange Calcite

Mica Schist (Mica Schist (Muscovite subclass)) — metamorphic

Mica Schist

Mica Schist (Muscovite subclass)

Mica Schist with Quartz (Mica Schist (principally Muscovite and Biotite with Quartz veins)) — metamorphic

Mica Schist with Quartz

Mica Schist (principally Muscovite and Biotite with Quartz veins)

Tiger's Eye (Silicon dioxide (SiO2) - Pseudomorph after crocidolite) — mineral

Tiger's Eye

Silicon dioxide (SiO2) - Pseudomorph after crocidolite

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Schist (Mica Schist (Metamorphic Rock)) — metamorphic

Schist

Mica Schist (Metamorphic Rock)

Quartz-rich river pebble, likely milky quartz (Milky quartz (SiO₂), possibly a quartzite or quartz-rich silicate pebble) — mineral

Quartz-rich river pebble, likely milky quartz

Milky quartz (SiO₂), possibly a quartzite or quartz-rich silicate pebble

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Hematite (likely Botryoidal or Specularite variant) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (likely Botryoidal or Specularite variant)

Iron(III) oxide (Fe2O3)

Agate (Chalcedony (SiO2)) — sedimentary

Agate

Chalcedony (SiO2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

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

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Anthracite Coal (Anthracite (Carbon-based sedimentary-derived metamorphic rock)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based sedimentary-derived metamorphic rock)

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

Epidote

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

Zoisite with Hornblende (Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions) — metamorphic

Zoisite with Hornblende

Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Mica Schist (Crystalline Schist (often containing Muscovite, Biotite, and Quartz)) — metamorphic

Mica Schist

Crystalline Schist (often containing Muscovite, Biotite, and Quartz)

Mixed river stones and gravel (Polymictic alluvial clasts; individual pieces may include quartzite, granite, basalt, sandstone, limestone, and slate) — igneous, sedimentary, metamorphic

Mixed river stones and gravel

Polymictic alluvial clasts; individual pieces may include quartzite, granite, basalt, sandstone, limestone, and slate

igneous, sedimentary, metamorphic

Agate (SiO2 (Chalcedony/Quartz)) — sedimentary

Agate

SiO2 (Chalcedony/Quartz)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

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

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Micaceous Schist (Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)) — metamorphic

Micaceous Schist

Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Mica Schist (Mica Schist (Composition: Muscovite, Biotite, Quartz, Feldspar)) — metamorphic

Mica Schist

Mica Schist (Composition: Muscovite, Biotite, Quartz, Feldspar)

Unidentified gray-brown stone (Likely fine-grained quartz–feldspar rock; exact identification is not possible from this close, blurred image) — mineral

Unidentified gray-brown stone

Likely fine-grained quartz–feldspar rock; exact identification is not possible from this close, blurred image

Blue Apatite (Apatite group (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Apatite group (Ca5(PO4)3(F,Cl,OH))

Mica Schist (Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)) — metamorphic

Mica Schist

Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Hematite (Iron (III) oxide (Fe2O3)) — mineral

Hematite

Iron (III) oxide (Fe2O3)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Schist with Quartz Vein (Mica Schist with SiO2 vein) — metamorphic

Schist with Quartz Vein

Mica Schist with SiO2 vein

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Mossy Rock (Mixed lithology rock with Bryophyta (moss)) — sedimentary

Mossy Rock

Mixed lithology rock with Bryophyta (moss)

Chalcedony (Tumbled Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Tumbled Pebble)

Silicon Dioxide (SiO2)

Mica Schist (Mica Schist (KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist

Mica Schist (KAl2(AlSi3O10)(OH)2)

Mica Schist (Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)

Rhodonite (Manganese silicate (MnSiO3)) — mineral

Rhodonite

Manganese silicate (MnSiO3)

Schist (Schist (Foliated Metamorphic Rock)) — metamorphic

Schist

Schist (Foliated Metamorphic Rock)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)