Garnet in Schist or Pegmatite
Almandine Garnet (Fe3Al2(SiO4)3) in host rock
metamorphic
Category
Mineral, Often Found As A Rock (Metamorphic)
Browse mineral, often found as a rock (metamorphic) specimens identified by the Rock Identifier community.
Learn about Mineral, Often Found As A Rock (Metamorphic) in the encyclopedia
View all →
Amphibolite
Amphibolite, composed mainly of amphibole and plagioclase feldspar
metamorphic
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Chert (Flint/Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (Raw Corundum)
Corundum (Al2O3 with Chromium impurities)
mineral
Quartzite with Quartz Veining
Metamorphic Quartzite (SiO2)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically Brown Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Quartz (or Blue Aventurine)
Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)
mineral
Gneiss
Gneiss (a type of metamorphic rock)
Metamorphic Rock
Gray Agate
Cryptocrystalline Quartz (SiO2)
mineral
Quartz Vein in Metamorphic Rock
Quartzite or Schist host with Quartz (SiO2) intrusion
metamorphic
Banded Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
mineral
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Quartz Vein in Host Rock (often Granite or Schist)
Silicon Dioxide (SiO2) within host matrix
mineral with metamorphic or igneous host
Eclipse Stone (Kabamba Jasper)
Rhyolite with Aegirine (NaFe3+Si2O6)
metamorphic
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
mineral
Likely garnet (rough crystal)
Garnet group, likely almandine (Fe₃Al₂(SiO₄)₃); identification from the image is uncertain
mineral
Fuchsite in Quartz
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz (SiO2)
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Pyrite (FeS2)
Mineral
Pyrite in Host Rock
Iron Disulfide (FeS2)
mineral
Quartz vein in Schist
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
metamorphic
Chert / Microcrystalline Quartz
Chert (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
mineral
Carnelian
Carnelian (Silica/Chalcedony, SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
metamorphic
Moss Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Milky Quartz in Gneiss
Quartzite / Foliated Gneiss containing SiO2
metamorphic