Quartzite with Mica schist fragment
Quartzite (SiO2) with Muscovite/Biotite Schist
metamorphic
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Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
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Quartzite Cobble
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite (with Iron Staining)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)
mineral
Orange Calcite (likely polished specimen)
Calcite
Mineral
Quartz-rich pegmatite (likely feldspar–quartz rock)
Granitic pegmatite; predominantly quartz (SiO₂) and feldspar, with possible mica and iron-oxide staining
igneous
Jadeite and Assorted Corundum (Ruby/Sapphire) / Beryl (Emerald)
Jadeite (NaAlSi2O6), Ruby/Sapphire (Al2O3), Emerald (Be3Al2(SiO3)6)
mineral
Serpentinite
Serpentinite (complex of lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Assorted Beach Rocks and Pebbles
Various (Granite, Basalt, Quartz, Conglomerate, etc.)
igneous, sedimentary, metamorphic
Bornite
Bornite (Cu5FeS4)
mineral
Rhodonite in Matrix
Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Metamorphic Rock
Nephrite Jade
Tremolite-Actinolite solid solution series, Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Basalt with Granite Inclusions (Xenoliths)
Mafic igneous rock (Basalt) with Sialic minerals
igneous
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Red Sandstone
Arenite (primarily quartz with iron oxide cement)
sedimentary
Garnet in Matrix
Almandine Garnet (Fe3Al2(SiO4)3)
metamorphic
Weathered quartz-rich rock, likely sandstone or quartzite
Quartz arenite (sandstone) or quartzite; predominantly SiO₂
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Serpentinite
Serpentinite ((Mg, Fe)3Si2O5(OH)4)
metamorphic
Quartzite (River Pebble)
Meta-quartzite (composed primarily of SiO2)
metamorphic
Red Sandstone
Arenite (Iron-rich)
sedimentary
Greenstone / Greenschist
Greenschist (containing Chlorite, Epidote, Actinolite)
metamorphic
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartzite Pebble
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite with Quartz Vein
Metamorphosed Quartz-rich Sandstone (SiO2)
metamorphic
Unakite
Epidotized Granite
metamorphic
Red Quartzite Pebble
Quartzite (SiO2)
metamorphic
Unakite
Epidotized Granite
metamorphic
Unakite
Epidotized Granite
metamorphic
Unakite
Unakite (Epidotized Granite)
metamorphic
Quartzite Pebble
Quartzite (mostly SiO2)
metamorphic
Unakite
Epidotized Granite (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))
metamorphic