Banded Agate
Chalcedony / Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Rock (For Both Nephrite And Jadeite)
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Almandine Garnet in Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Serpentine
Serpentine group ((Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Quartz Vein in Sedimentary Matrix
Silicon Dioxide (SiO2) with host rock
mineral
Specular Hematite
Specularite (Fe2O3)
mineral
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)
metamorphic
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)
metamorphic
Schist
Mica Schist
metamorphic
Red Aventurine
Aventurine Quartz (SiO2 + Hematite/Goethite)
metamorphic
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(F,OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Marble (White)
Metamorphosed Limestone (mainly CaCO3)
metamorphic
Quartzite (Water-worn Cobble)
Quartzite (Composition: 90%+ SiO2)
metamorphic
River Quartzite Siltstone
Quartz-rich Meta-siltstone (SiO2 dominated)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Rough Tanzanite
Zoisite (Ca2Al3(SiO4)3(OH))
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Unakite
Epidotized Granite
metamorphic
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Garnet Schist
Almandine-Garnet Mica Schist
metamorphic
Greenschist (Greenstone)
Greenschist
metamorphic
Serpentine
Serpentine-group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Biotite Mica in Host Rock
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Garnet (Almandine)
Almandine, Fe3Al2(SiO4)3
metamorphic
Unakite
Epidotized Granite
metamorphic
Quartz on Schist
Silicon Dioxide (SiO2) on Foliated Metamorphic Rock
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Pyrite in Shale
Iron Sulfide (FeS2)
mineral
Greenstone (Epidote/Chlorite Rich Rock)
Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
metamorphic