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

Khondalite

Calc-schist

Calc-schist

Goldmanite

Goldmanite

Oregon Opal

Oregon Opal

Orthoclase

Orthoclase

Orendite

Orendite

Orca Agate

Orca Agate

Orange Opal

Orange Opal

Peacock Ore

Peacock Ore

Orange Garnet

Orange Garnet

Orange Obsidian

Orange Obsidian

Orange Calcite

Orange Calcite

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

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz Crystal Cluster (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Sunstone (Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)) — mineral

Sunstone

Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)

Rough Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Rough Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Moonstone (Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Moonstone

Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)

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

Raw Citrine (Yellow Quartz)

Citrine / Silicon Dioxide (SiO2)

Banded Gneiss (with possible weathered sulfide or iron staining) (Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides) — Metamorphic

Banded Gneiss (with possible weathered sulfide or iron staining)

Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides

Banded Gneiss (Gneiss) — Metamorphic

Banded Gneiss

Gneiss

Corundum (Corundum (Aluminium oxide, Al2O3)) — mineral

Corundum

Corundum (Aluminium oxide, Al2O3)

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2 - Silicon Dioxide)

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Banded River Rock / Gneiss (highly weathered) (Gneiss) — Metamorphic rock

Banded River Rock / Gneiss (highly weathered)

Gneiss

Metamorphic rock

Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony) (Chert (microcrystalline quartz)) — Metamorphic Rock

Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)

Chert (microcrystalline quartz)

Metamorphic Rock

Quartz Geode (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Pink Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Pink Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Sandstone and Quartzite Specimens (SiO2 with varying mineral/clastic inclusions) — sedimentary/metamorphic

Sandstone and Quartzite Specimens

SiO2 with varying mineral/clastic inclusions

sedimentary/metamorphic

Tiger Iron (Banded Iron Formation (BIF)) — sedimentary

Tiger Iron

Banded Iron Formation (BIF)

Jasper and Quartz River Cobble (Silicon Dioxide (SiO2) with Hematite inclusions) — Sedimentary / Metamorphic

Jasper and Quartz River Cobble

Silicon Dioxide (SiO2) with Hematite inclusions

Sedimentary / Metamorphic

Yellow Jade (often Serpentine or Dolomite) (Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.) — Mineral, often a rock given its aggregate nature

Yellow Jade (often Serpentine or Dolomite)

Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.

Mineral, often a rock given its aggregate nature

Quartz (Milky Quartz) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (Milky Quartz)

Quartz (SiO2 - Silicon Dioxide)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Banded Gneiss (Gneiss (pronounced "nice")) — metamorphic

Banded Gneiss

Gneiss (pronounced "nice")

Gneiss (likely) (Gneiss) — Metamorphic

Gneiss (likely)

Gneiss

Citrine (Silicon Dioxide (SiO2) with trace Iron) — mineral

Citrine

Silicon Dioxide (SiO2) with trace Iron

Dyed Agate (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Agate

Silicon Dioxide (SiO2) with artificial pigment

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

Smoky Quartz (Tumbled)

Smoky Quartz (SiO2 - Silicon Dioxide)

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

Smoky Quartz

SiO2 (Silicon Dioxide with aluminum impurities)

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

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine (Silicon Dioxide (SiO2)) — Mineral

Citrine

Silicon Dioxide (SiO2)

Amethyst (Quartz) (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Amethyst (Quartz)

Silicon Dioxide (SiO2) with Iron impurities

Agate (Moss or Dendritic Agate) (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Agate (Moss or Dendritic Agate)

Chalcedony (Silicon Dioxide, SiO2)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Smoky Quartz

Smoky Quartz (SiO2: Silicon Dioxide)

Anthracite Coal (Anthracite (Carbon-based organic sedimentary rock exposed to metamorphic heat/pressure; Chemical composition is approximately 86%–98% Carbon)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based organic sedimentary rock exposed to metamorphic heat/pressure; Chemical composition is approximately 86%–98% Carbon)