Greenschist (Greenstone)
Chlorite Schist / Greenschist Facies Rock
Category
Browse mineral specimens identified by the Rock Identifier community.
Greenschist (Greenstone)
Chlorite Schist / Greenschist Facies Rock
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
Granitic Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Greenstone / Graywacke
Metagraywacke or Chlorite Schist
Aquamarine
Beryl (Be3Al2Si6O18)
Garden Quartz (Shaman Quartz)
Silicon Dioxide (SiO2) with various inclusions (Hematite, Chlorite, Feldspar)
Pegmatite
Granitic Pegmatite
Fuchsite or Green Mica Schist
K(Al,Cr)2(AlSi3O10)(OH)2
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Pyrite
Iron Disulfide (FeS2)
Foliated Gneiss
Gneiss (Metamorphic Rock)
Gneis
Gneiss (High-grade metamorphic rock)
Granite
Granite (phaneitic intrusive igneous rock)
Diamond in Kimberlite
Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)
Gneiss
High-grade Metamorphic Gneiss
Gneiss
Gneiss (High-grade Metamorphic Rock)
Fossilized Shark Tooth (Partial)
Elasmobranchii (fossil tooth fragment)
River Quartzite Slik
Quartzite (SiO2)
Gneiss
Gneiss
Granite
Intrusive igneous rock (Acidic)
Amygdaloidal Basalt with Quartz/Zeolite Infill
Amygdaloidal Basalt (extrusive volcanic rock with SiO2 or CaAl2Si3O10·3H2O infill)
Hematite Beads
Hematite (Fe2O3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Granite
Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)
Conglomerate
Conglomerate
Porphyritic Basalt
Porphyritic Basalt (Silicate Rock)
Basalt with Quartz Veins
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene) with SiO2 inclusions
Granite
Granite (composed of Quartz, Feldspar, and Mica)
Diamond
Diamond (C)
Unable to Identify (Image Obscured)
Granite
Phaneritic Igneous Rock (Granite)
Schist
Mica Schist
Unakite
Epidotized Granite
Diamond
Diamond (Pure Carbon, C)
Milky Quartz
Silicon Dioxide (SiO2)
Granite
Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)