White Jade / Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Category
Browse metamorphic (low grade) specimens identified by the Rock Identifier community.
White Jade / Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
Serpentine
Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4
Gneiss (High-grade Metamorphic Rock)
Gneiss (Metamorphic silicate rock)
Quartzite with Gneissic Banding
Quartzite (primarily SiO2) with mafic mineral inclusions
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Serpentine (Lizardite)
Serpentine subgroup, Mg3Si2O5(OH)4
Staurolite (Cross Stone)
Staurolite (Fe2+2Al9Si4O23(OH))
Quartz Crystal (specifically a Double-Terminated variety)
Silicon Dioxide (SiO2) - Low Quartz
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6Si6O18(BO3)3(OH)3OH
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Actinolite/Tremolite series)
Green Jade (specifically Nephrite)
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Schist
Mica Schist (Quartz-Muscovite-Biotite Schist)
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
Gneiss (specifically Banded Gneiss)
Gneiss
Nuummite
Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
Banded Gneiss
Gneiss
Anthracite Coal
Anthracite (Carbon-based sedimentary-metamorphic rock)
Serpentine (Nephrite-like Serpentine)
Serpentinite (Hydrous magnesium iron phyllosilicate)
Red Scoria (Lava Rock)
Scoria (Vesicular Basalt)
Pyrite
Iron Sulfide (FeS2)
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
Mica Schist
Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)
Gneiss
Gneiss
Granitic Gneiss
Gneiss (containing Potassium Feldspar and Quartz)
Nuummite
Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2
Muscovite Schist
Mica Schist (primarily KAl2(AlSi3O10)(OH)2)
Gneiss (Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
Gneiss (Banded Gneiss)
Gneiss
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
Rough Diamond
Diamond (pure Carbon, C)