Rock Identifier

Category

Mineral_rock

Browse mineral_rock specimens identified by the Rock Identifier community.

Learn about Mineral_rock in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Halite

Dolomite

Gypsum

Coal

Claystone

Carbonatite

Serpentinite

Skarn

Schist

Shale

Polished zebra jasper (Jasper, microcrystalline quartz (SiO₂), with iron-oxide and manganese-rich banding) — metamorphic

Polished zebra jasper

Jasper, microcrystalline quartz (SiO₂), with iron-oxide and manganese-rich banding

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite) ((Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar) — igneous

Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite)

(Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Amber (Copal) (Fossilized Tree Resin) — mineraloid

Amber (Copal)

Fossilized Tree Resin

Quartz-bearing rock fragment (Likely quartz (SiO₂) with iron-oxide staining and possible host-rock grains) — mineral

Quartz-bearing rock fragment

Likely quartz (SiO₂) with iron-oxide staining and possible host-rock grains

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) in matrix) — mineral

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Himalayan Pink Salt (Halite (NaCl) with trace minerals) — mineral

Himalayan Pink Salt

Halite (NaCl) with trace minerals

Granite (Granite) — igneous

Granite

Granite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (with manganese staining) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (with manganese staining)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite (predominantly SiO2 quartz grains)) — sedimentary

Sandstone

Arenite (predominantly SiO2 quartz grains)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

River Rock (Polished Siliceous Rock / Quartzite Pebble) — sedimentary

River Rock

Polished Siliceous Rock / Quartzite Pebble

River Gravel (Polymictic Gravel / Detrital Rock Aggregate) — sedimentary

River Gravel

Polymictic Gravel / Detrital Rock Aggregate

Greenstone (Metamorphic mafic rock (greenschist facies)) — metamorphic

Greenstone

Metamorphic mafic rock (greenschist facies)

Diorite (Phaneritic intermediate plutonic rock (Diorite)) — igneous

Diorite

Phaneritic intermediate plutonic rock (Diorite)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Small gray rock fragment, likely granite or diorite (Uncertain; probable coarse-grained silicate rock dominated by feldspar and quartz, possibly biotite/hornblende) — igneous

Small gray rock fragment, likely granite or diorite

Uncertain; probable coarse-grained silicate rock dominated by feldspar and quartz, possibly biotite/hornblende

Schist (Oxidized) (Mica Schist with Iron Oxide staining) — metamorphic

Schist (Oxidized)

Mica Schist with Iron Oxide staining

Jasper and Epidote Breccia (Silicified Brecciated Rock with Epidote) — metamorphic

Jasper and Epidote Breccia

Silicified Brecciated Rock with Epidote

Shale (Shale (Fine-grained clastic sedimentary rock)) — sedimentary

Shale

Shale (Fine-grained clastic sedimentary rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Green Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2)

Amethyst (Silicon dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon dioxide (SiO2) with iron impurities

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Amethyst (Quartz (SiO2)) — gemstone

Amethyst

Quartz (SiO2)

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

Schist with Quartz Vein

Mica Schist with SiO2 vein

Thunderegg (Agate or Quartz Geode) (Silica-filled rhyolitic nodule (SiO2)) — sedimentary

Thunderegg (Agate or Quartz Geode)

Silica-filled rhyolitic nodule (SiO2)

White Quartz Star (Silicon Dioxide (SiO2)) — mineral

White Quartz Star

Silicon Dioxide (SiO2)

Quartz (Peach/Pink Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Peach/Pink Variety)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartz (Herkimer Diamond variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Herkimer Diamond variant)

Silicon Dioxide (SiO2)

Tektite (Indochinite) (Tektite (Terrestrial Impact Glass)) — meteorite

Tektite (Indochinite)

Tektite (Terrestrial Impact Glass)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chondrite Meteorite (Ordinary Chondrite (L or H type)) — igneous

Chondrite Meteorite

Ordinary Chondrite (L or H type)

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

Planet Earth (Gaia (Silicate Terrestrial Planet)) — metamorphic

Planet Earth

Gaia (Silicate Terrestrial Planet)

Quartz (Milky Quartz / Quartz Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz / Quartz Crystal)

Silicon Dioxide (SiO2)