Green Gneiss or Greenschist
Chlorite/Actinolite Gneiss or Schist
metamorphic
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
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Chalcedony (Yellow Agate)
Cryptocrystalline Quartz (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Black Sand (Magnetite Sand)
Magnetite-rich Placers (Fe3O4)
sedimentary
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Epidote-bearing Rock
Epidote / Silicate mineral aggregate
metamorphic
Dalmatian Stone
Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Turquoise (possible Dyed Magnesite/Howlite)
CuAl6(PO4)4(OH)8·4H2O
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Garnet in Host Rock
Garnet Group (A3B2(SiO4)3)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Gneiss (with Garnet)
Gneiss (Feldspar-Quartz-Biotite-Garnet Metamorphic Rock)
metamorphic
Dalmatian Stone
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
igneous
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
mineral
Citrine
Silicon Dioxide (SiO2) with ferric iron impurities
gemstone
Mixed Quartz Bracelet (Rose Quartz and Larimar-colored beads)
Silicon Dioxide (SiO2) with various inclusions
mineral
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Quartz (specifically Milky/White Quartz)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Chalcedony (Agate/Jasper mix)
Cryptocrystalline Sillimanite (Quartz) - SiO2
mineral
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
mineral
Gneiss
Foliated Metamorphic Gneiss
metamorphic
Gneiss
High-grade regional metamorphic rock
metamorphic
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with inclusions of Chlorite or Actinolite
sedimentary
Epidote with quartz/feldspar
Epidote, Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral