Pink Granite Gneiss
Granitic Gneiss
metamorphic
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Dalmatian Jasper (Dalmatian Stone)
Peralkaline rhyolite
igneous
River Rocks and Pebbles
Mixed Silica-rich Sediments (SiO2 based)
sedimentary
Hematite Nodular Iron Ore
Hematite (Fe2O3)
mineral
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Biotite Mica
K(Mg,Fe)3AlSi3O10(OH)2
Mineral in a matrix (likely quartz or feldspar)
Rhyolite
Rhyolite (High-silica volcanic rock)
igneous
Granite
Phaneritic Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
igneous
Red Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite Cobble
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2), a variety of Actinolite-Tremolite
metamorphic
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
River Rock (Granitic Gneiss)
Foliated Granitic Gneiss
metamorphic
Sandstone (Pebble/Conglomerate fragment)
Sandstone (clastic sedimentary rock)
Sedimentary Rock
Quartzite with Vugs
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Granite (River Cobble)
Phaneritic Plutonic Felsic Rock (Granite)
igneous
![Schist (Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])) — metamorphic](https://media.rockidentification.com/82921e91-3bee-4a52-8b94-97f62233f834-thumbnail.jpg)
Schist
Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])
metamorphic
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Mica Schist with Pyrite
Muscovite/Biotite Schist with Iron Sulfide (FeS2)
metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Basalt
Basalt (Mafic igneous rock)
igneous
Sandstone (with Iron concretions/staining)
Arenite (composed primarily of Quartz and Feldspar with Iron Oxide cement)
sedimentary
Granite (Pink/Red Granite)
Phaneritic Felsic Igneous Rock
igneous
Quartzite Pebble (River Rock)
Quartzite (SiO2)
metamorphic
Orthoclase Feldspar (Salmon variety)
Orthoclase, KAlSi3O8
mineral
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
mineral
Slate
Slate (a fine-grained, foliated metamorphic rock). Mineral composition: Primarily composed of mica minerals (muscovite, chlorite, sericite) and quartz, with minor amounts of hematite, pyrite, and other accessory minerals.
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
sedimentary
Rough Garnet in Matrix
Almandine Garnet (Fe3Al2Si3O12)
mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
igneous
Jade
There are two distinct minerals commonly known as Jade: Jadeite (NaAlSi2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the appearance, these spheres are likely Nephrite.
Mineral
Mica Schist
Mica Schist (Predominantly Muscovite/Biotite)
metamorphic
Quartzite River Rock (with Limonite staining)
Quartzite (SiO2)
metamorphic
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Mineral