Greenstone (Epidote/Chlorite Schist)
Metabasalt (composed primarily of Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH) and Chlorite (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
metamorphic
Category
Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Blue Sapphire
Corundum (Al2O3)
mineral
Ruby in Zoisite
Ruby (Corundum, Al2O3) in Zoisite (Calcium aluminum silicate hydroxide, Ca2Al3(SiO4)3(OH)) with some Hornblende
Metamorphic Rock (specifically a rock composed of minerals)
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 in SiO2
metamorphic
Greenstone
Greenschist (commonly containing Chlorite, Actinolite, and Epidote)
metamorphic
Calcite
Calcite (CaCO3)
Mineral
Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
mineral
Quartzite with inclusions
Quartzite (primarily SiO2)
metamorphic
Fuchsite (Chrome Mica)
K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
mineral
Quartz on Schist
Silicon Dioxide (SiO2) on Foliated Metamorphic Rock
metamorphic
Greenschist
Chlorite schist (Metamorphic rock dominated by chlorite, epidote, and actinolite)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Jade (Nephrite or Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 (amphibole mineral); Jadeite: NaAlSi2O6 (pyroxene mineral)
Metamorphic Rock / Mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Schist with Quartz
KAl2(AlSi3O10)(OH)2 in Schistose matrix
metamorphic
Pink Garnet in Matrix
Grossular or Almandine Garnet (X3Y2(SiO4)3)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Mineral in a Metamorphic/Hydrothermal rock
Specular Hematite
Hematite (Fe2O3)
mineral
![Sunstone and Green Aventurine (Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)) — Mineral](https://media.rockidentification.com/ceb73f9a-ca6f-49b1-8cc4-c8beff9e6836-thumbnail.jpg)
Sunstone and Green Aventurine
Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)
Mineral
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8) or Albite mixtures
mineral
River Stone (River Pebble)
River Stone (Composition: primarily Quartzite, Chalcedony, and silicate minerals)
sedimentary
Red Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Greenstone
Greenschist / Meta-basalt
metamorphic
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
igneous
Greenschist (Greenstone River Pebble)
Greenschist (Chlorite Schist)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Agate
Silicon Dioxide (SiO2) - Chalcedony variant
mineral
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Ferruginous Quartz (Iron-stained Quartz)
Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)
mineral
Greenstone
Greenschist / Greenstone (containing Chlorite, Epidote, Actinolite)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Green Tourmaline
Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral