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

Gneiss (Metamorphosed Pebble) (Gneiss with Quartz/Feldspar banding) — metamorphic

Gneiss (Metamorphosed Pebble)

Gneiss with Quartz/Feldspar banding

Biotite Schist (Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)) — metamorphic

Biotite Schist

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

Granite Gneiss (Gneiss (Polymetamorphic Quartz-Feldspar-Mica rock)) — metamorphic

Granite Gneiss

Gneiss (Polymetamorphic Quartz-Feldspar-Mica rock)

Gneiss (Granite Gneiss) (Gneiss) — metamorphic

Gneiss (Granite Gneiss)

Gneiss

Banded Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Green Slate (Greenstone) (Foliated Metamorphic Rock (rich in Chlorite/Epidote)) — metamorphic

Green Slate (Greenstone)

Foliated Metamorphic Rock (rich in Chlorite/Epidote)

Calcite (Calcite (CaCO3)) — mineral

Calcite

Calcite (CaCO3)

Quartz (in a rock matrix) (Quartz (SiO2)) — mineral

Quartz (in a rock matrix)

Quartz (SiO2)

Marble (Recrystallized Limestone (CaCO3)) — metamorphic

Marble

Recrystallized Limestone (CaCO3)

Garnet (Almandine variety) (Almandine, Fe3Al2(SiO4)3) — Mineral

Garnet (Almandine variety)

Almandine, Fe3Al2(SiO4)3

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Coarse Sand or Fine Gravel (Detrital Sedimentary Fragments (mostly SiO2)) — sedimentary

Coarse Sand or Fine Gravel

Detrital Sedimentary Fragments (mostly SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss (Metamorphic Rock) (Gneiss) — metamorphic

Gneiss (Metamorphic Rock)

Gneiss

Gneiss (specifically a Granitic Gneiss) (Gneiss (typically composed of Quartz, Feldspar, and Mica/Amphiboles)) — metamorphic

Gneiss (specifically a Granitic Gneiss)

Gneiss (typically composed of Quartz, Feldspar, and Mica/Amphiboles)

Gneiss Pebble (Gneiss) — metamorphic

Gneiss Pebble

Gneiss

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

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

Yellow Citrine Quartz

Silicon Dioxide (SiO₂)

Black Agate (Banded) (Silicon Dioxide (SiO2)) — Mineral

Black Agate (Banded)

Silicon Dioxide (SiO2)

Quartz with Mica (likely Muscovite) (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride) — igneous/metamorphic

Quartz with Mica (likely Muscovite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride

igneous/metamorphic

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

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

Citrine

Silicon Dioxide (SiO2) with iron impurities

Quartz with inclusions (likely Tourmaline or Biotite) (Silicon Dioxide (SiO2)) — mineral

Quartz with inclusions (likely Tourmaline or Biotite)

Silicon Dioxide (SiO2)

Gneiss (Metamorphic Rock (Gneissic texture)) — metamorphic

Gneiss

Metamorphic Rock (Gneissic texture)

Gneiss (High-grade Metamorphic Gneiss) — metamorphic

Gneiss

High-grade Metamorphic Gneiss

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Zebra Marble (Metamorphosed Alabaster/Limestone (CaCO3)) — metamorphic

Zebra Marble

Metamorphosed Alabaster/Limestone (CaCO3)

Banded Gneiss (Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)

Quartzite Pebble (Metamorphic Quartz-rich Rock (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartz-rich Rock (SiO2)

Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)