Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
mineral
Category
Mineral (Metamorphic Pseudomorph)
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
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Green Quartzite
Meta-quartzite with fuchsite or chlorite inclusion
metamorphic
Kfeldspar (Potassium Feldspar)
KAlSi3O8
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Pink Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rhodonite
Inosilicate, (Mn,Fe,Mg,Ca)SiO3
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Iron-Stained Quartzite
Recrystallized Meta-Quartzite (primarily SiO2)
metamorphic
Kyanite (within Quartz)
Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)
metamorphic
Likely quartz-rich metamorphic rock (quartzite or quartz-veined schist)
Quartzite/siliceous schist; chiefly quartz (SiO₂), with probable mica and iron-oxide staining
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Blue Quartzite
Metamorphic Rock (rich in Quartz, SiO2 with inclusions of Dumortierite or Magnesio-riebeckite)
metamorphic
Aquamarine
Beryl (Be3Al2(SiO3)6)
gemstone
Spessartine Garnet in Quartz/Feldspar Pegmatite
Spessartine (Mn3Al2(SiO4)3) in Quartz (SiO2) and Feldspar
Mineral in Igneous Rock
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheets with Quartz)
metamorphic
Schist (Oxidized)
Mica Schist with Iron Oxide staining
metamorphic
Slate
Slate (Metamorphic claystone/shale)
metamorphic
Quartz with Chlorite or Hornblende inclusions
Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions
metamorphic
Schist with Quartz Vein
Mica Schist with Crystalline Quartz (SiO2)
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (pronounced 'nice')
metamorphic
Gneiss Pebble
Gneiss (Metamorphic Foliated Rock)
metamorphic
Tumbled milky quartz
Quartz (SiO₂), microcrystalline or massive variety
mineral
Pyrite
Iron Pyrite (FeS2)
Mineral
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Granite Gneiss
Gneiss (derived from granitic protolith)
metamorphic
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
metamorphic
Quartz-rich breccia or vein quartz with dark inclusions
Milky quartz (SiO₂), likely brecciated and cemented with iron oxides and dark mica/amphibole minerals
igneous
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
mineral
Moonstone
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite
mineral
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
mineral
Garnet (Pyrope-Almandine series)
Garnet Group, (Mg,Fe)3Al2Si3O12
mineral
Green Aventurine
Aventurine Quartz (SiO2)
mineral