Rock Identifier

Category

Metamorphic Or Sedimentary (With Staining)

Browse metamorphic or sedimentary (with staining) specimens identified by the Rock Identifier community.

Learn about Metamorphic Or Sedimentary (With Staining) in the encyclopedia

Goldmanite

Quartzite Sandstone

Quartzite Sandstone

Anthracite

Metagabbro

Ironstone

Breccia

Cordierite Hornfels

Cordierite Hornfels

Calc-Silicate Rock

Calc-Silicate Rock

Pumpkin Obsidian

Pumpkin Obsidian

Bituminous Shale

Bituminous Shale

Gneiss

Sapropel

Quartzite Pebble (Meta-quartzite) — metamorphic

Quartzite Pebble

Meta-quartzite

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Quartzite Chert Pebble (Sedimentary Chert / Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Chert Pebble

Sedimentary Chert / Metamorphic Quartzite (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2) Pebble) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2) Pebble

Shungite (or Black Onyx / Obsidian) (Amorphous Carbon (Shungite) / SiO2 (Onyx/Obsidian)) — mineral

Shungite (or Black Onyx / Obsidian)

Amorphous Carbon (Shungite) / SiO2 (Onyx/Obsidian)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Quartz (Smoky/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Inclusions

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Ferruginous variety) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Ferruginous variety)

Silicon Dioxide (SiO2)

Iron-Stained Quartzite (Recrystallized Meta-Quartzite (primarily SiO2)) — metamorphic

Iron-Stained Quartzite

Recrystallized Meta-Quartzite (primarily SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

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

Quartz (Milky or Smoky variant)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble / Quartzite (Silicon Dioxide (SiO2)) — sedimentary

Quartz pebble / Quartzite

Silicon Dioxide (SiO2)

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Likely quartz-rich metamorphic rock (quartzite or quartz-veined schist) (Quartzite/siliceous schist; chiefly quartz (SiO₂), with probable mica and iron-oxide staining) — metamorphic

Likely quartz-rich metamorphic rock (quartzite or quartz-veined schist)

Quartzite/siliceous schist; chiefly quartz (SiO₂), with probable mica and iron-oxide staining

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Anthracite Coal (Anthracite (Carbon C)) — metamorphic

Anthracite Coal

Anthracite (Carbon C)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz with inclusions (SiO2) — mineral

Quartz with inclusions

SiO2

Quartz (partially iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (partially iron-stained)

Silicon Dioxide (SiO2)

Quartz with Iron Stains (Quartz (SiO2) with iron oxide/hydroxide staining) — Mineral

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Quartz (Iron-stained / Orange Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained / Orange Quartz)

Silicon Dioxide (SiO2)

Tumbled quartz-rich stone, likely milky quartz (Quartz (SiO₂), possibly iron-stained milky quartz or quartzite) — mineral

Tumbled quartz-rich stone, likely milky quartz

Quartz (SiO₂), possibly iron-stained milky quartz or quartzite

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz-rich metamorphic rock, likely quartzite (Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with feldspar, mica, and iron-oxide impurities) — metamorphic

Quartz-rich metamorphic rock, likely quartzite

Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with feldspar, mica, and iron-oxide impurities

Granitic Gneiss (Gneiss (quartz-feldspar-mica complex)) — metamorphic

Granitic Gneiss

Gneiss (quartz-feldspar-mica complex)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Exposed aggregate concrete (stone-chip surface) (Portland-cement concrete containing natural aggregate; not a natural rock) — sedimentary

Exposed aggregate concrete (stone-chip surface)

Portland-cement concrete containing natural aggregate; not a natural rock

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Quartz Boulder (Silicon Dioxide (SiO2)) — mineral

Quartz Boulder

Silicon Dioxide (SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Quartzite with Sandstone/Iron staining (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite with Sandstone/Iron staining

Metamorphic Quartzite (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Quartz Druzy / Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Weathered iron-stained quartzite or jasper (Quartzite dominated by quartz (SiO₂), with iron oxides/hydroxides such as hematite and limonite) — metamorphic

Weathered iron-stained quartzite or jasper

Quartzite dominated by quartz (SiO₂), with iron oxides/hydroxides such as hematite and limonite

Dark gray slate (possibly argillite or shale) (Slate, a low-grade metamorphic rock derived mainly from shale; composition commonly quartz, illite/muscovite, chlorite, and clay minerals) — metamorphic

Dark gray slate (possibly argillite or shale)

Slate, a low-grade metamorphic rock derived mainly from shale; composition commonly quartz, illite/muscovite, chlorite, and clay minerals