Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic (Low Grade)
Browse metamorphic (low grade) specimens identified by the Rock Identifier community.
Learn about Metamorphic (Low Grade) in the encyclopedia
View all →
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Ocean Jasper (Sea Jasper)
Spherulitic Chalcedony (SiO2)
sedimentary
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Granitic Gneiss
Gneiss (high-grade metamorphic rock primarily of quartz, feldspar, and mica)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Feldspathic Gneiss
Feldspathic Gneiss (High-grade regional metamorphic rock)
metamorphic
Mica Schist
Medium-grade regional metamorphic rock (composition varies)
metamorphic
Schist
Mica Schist (Group of medium-grade metamorphic rocks)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite and Quartz composition)
metamorphic
Schist (Micaceous Schist)
Micaceous schist (Mainly Muscovite/Biotite mixed with Quartz)
metamorphic
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
River Cobble (Quartzite with Iron Staining)
Metamorphic Quartzite (SiO2 with Fe2O3 inclusions)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Glaucophane-bearing Schist (Blueschist)
Blueschist (Glaucophane-Lawsonite Schist)
metamorphic
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)
metamorphic
Gneiss (specifically a Banded Gneiss cobble)
Gneiss (composed mainly of Quartz, Feldspar, and Biotite/Amphibole)
metamorphic
Gneiss
Gneiss
metamorphic
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Mica Schist
Mica Schist (primarily Muscovite or Biotite-rich sequence)
metamorphic
Serpentinite
Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)
metamorphic
Serpentinite with Quartz/Calcite Veining
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Nuummite
Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite)
metamorphic
Gneiss (Schistose)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (Metamorphic Cobble)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Mica Schist
Mica Schist (predominantly Muscovite/Biotite)
metamorphic
Gneiss (specifically a Granitic Gneiss)
Gneiss (Composition: Quartz, Feldspar, Mica)
metamorphic
Mica Schist with Iron Staining
Mica Schist
metamorphic
Jade (Nephrite or Jadeite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)
Metamorphic Rock / Mineral
Cloud Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Gneiss
Metamorphic Rock (Gneissic texture)
metamorphic
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Green Aventurine
Quartz variant (SiO2) with Fuchsite inclusions
mineral
Mica Schist
Mica Schist (Composition typically includes Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)
metamorphic
Iron-Stained Quartz/Quartzite
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Gold Ore in Matrix
Native Gold (Au) in Quartz/Limonite host rock
mineral