Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
Aventurine
Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)
Nuummite
Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Nuummite
Nuummite (mixture of Anthophyllite and Gedrite)
Ruby in Kyanite
Corundum (Al2O3) in Kyanite (Al2SiO5)
Nuummite
Antophyllite-Gedrite (Orthorhombic amphiboles)
Schist
Mica Schist
Quartzite
Quartzite (primarily SiO2)
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Serpentinite
Serpentinite (group of hydrous magnesium iron phyllosilicates)
Quartzite
Quartzite (Primary mineral: SiO2)
Banded Gneiss
Gneiss (Metamorphic high-grade rock)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Mica Schist
Mica Schist (predominantly Muscovite or Biotite)
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Labradorite (Carved)
(Ca, Na)(Al, Si)4O8
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartzite with Iron Inclusions
Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)
Copper-bearing Mica Schist
Mica Schist with Native Copper inclusions
Quartz
Quartz (SiO₂)
Quartz
Quartz (Silicon Dioxide, SiO2)
Yellow Aventurine
Quartzite with inclusions (SiO2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Schist
Chlorite/Mica Schist
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite with inclusions
Metamorphic Rock (Mainly SiO2)
Quartzite
Quartzite (primarily SiO2)
Citrine
Silicon Dioxide (SiO₂)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Quartzite River Rock
Quartzite (primarily SiO2)
Rough Tanzanite
Zoisite (Ca2Al3(SiO4)3(OH))
Serpentinite
Serpentinite (a rock composed predominantly of serpentine group minerals)
Slate
Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)