Quartz-Mica Schist (with Muscovite)
Metamorphic Rock (Quartz, Muscovite, Feldspar)
metamorphic
Category
Mineral And Metamorphic Rock
Browse mineral and metamorphic rock specimens identified by the Rock Identifier community.
Learn about Mineral And Metamorphic Rock in the encyclopedia
View all →
Schist (likely Mica Schist)
Mica Schist
metamorphic
Quartz-Veined Slate or Greenstone
Metamorphic rock with quartz vein (SiO2)
metamorphic
Milky quartz pebble
Quartz (silicon dioxide, SiO₂)
mineral
Smoky quartz fragment
Quartz, silicon dioxide (SiO₂), smoky variety
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz-rich rock, possibly milky quartz or quartzite
Quartz (SiO₂), potentially quartzite if the grainy texture is rock-wide
mineral
Gneiss (with Quartz Vein / Pegmatite Banding)
Metamorphic Gneiss
metamorphic
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
mineral
Quartz crystal
Quartz (silicon dioxide, SiO₂), possibly milky quartz
mineral
Green Slate or Metamorphic Rock with Moss/Lichen
Metamorphic rock / Phyllite or Slate variant
metamorphic
Quartz-rich pegmatite (likely feldspar–quartz rock)
Granitic pegmatite; predominantly quartz (SiO₂) and feldspar, with possible mica and iron-oxide staining
igneous
Quartzite with Mica Matrix
Metamorphic Quartz-Mica Schist/Quartzite
metamorphic
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Garnet in Schist (Mica Schist with Garnet Inclusion)
Garnetiferous Mica Schist (X3Al2(SiO4)3)
metamorphic
Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8) with inclusions of Albite
mineral
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Quartz (Milky or Smoky Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Blue Tiger's Eye
Crocidolite in Quartz (altered)
Mineral
Quartzite pebble
Quartzite (SiO2 with iron oxide impurities)
metamorphic
Serpentinite with carbonate veins
Serpentinite; chiefly serpentine-group minerals (antigorite/lizardite, Mg₃Si₂O₅(OH)₄) with white calcite or magnesite veins
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Schist
Schist
Metamorphic
Gabbroic rock, possibly hornblende gabbro
Gabbro; coarse-grained mafic silicate rock dominated by plagioclase and pyroxene, with possible hornblende and magnetite
igneous
Milky quartz (rose-tinted quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz (quartz-rich rock fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Quartz with Mica / Chlorite Inclusion
Silicon Dioxide (SiO2) with Phyllosilicate minerals
metamorphic
White quartz pebble (likely milky quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Clear quartz cabochon
Quartz (silicon dioxide, SiO₂)
gemstone
Citrine
Silicon Dioxide (SiO2)
mineral
White quartz pebble
Quartz (SiO₂), likely milky quartz
mineral
Quartz Vein in Amphibolite / Gneiss
Quartz (SiO2) in Mafic Metamorphic Host Rock
metamorphic
Quartz Vein in Metamorphic Rock
Quartz-veined Schist or Gneiss
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Moonstone
Orthoclase (KAlSi3O8) with Albite inclusions
mineral
Gravel / Crushed Stone
Aggregate (mixed mineral rock fragments)
sedimentary
Pink-and-gray quartz-rich pegmatite, possibly rose quartz with feldspar
Quartz (SiO₂) with K-feldspar/plagioclase; likely pegmatitic granite
igneous
Quartz with Mafic/Chlorite Veins
Silicon Dioxide (SiO2) with Chlorite/Epidote cross-veining
metamorphic
Milky Quartz (Carved Star Beads)
Silicon Dioxide (SiO2)
mineral
Slate
Foliated Metamorphic Rock (primarily clay minerals and micas)
metamorphic
Schist
Schist (Metamorphic Rock)
metamorphic