Sodalite
Sodalite (Na4Al3Si3O12Cl)
Category
Browse metamorphic rock (formed from a fibrous crocidolite asbestos) specimens identified by the Rock Identifier community.
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Gneiss
Gneiss
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2 with iron oxide inclusions)
Greenstone
Greenschist (metamorphosed mafic igneous rock)
Unakite
Epidotized Granite
Unakite
Unakite (Epidotized Granite)
Quartzite
Metamorphic rock (primarily SiO2)
Quartzite (specifically an iron-stained or Carnelian-colored variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz (possibly milky quartz)
Quartz (Silica; SiO₂)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2)
Dragon Blood Jasper
Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
Quartzite
Metamorphic Rock (Mainly SiO2)
Gneiss (Metamorphic Rock)
Gneiss
Aventurine (likely Green Aventurine)
Aventurine (a variety of quartz, SiO₂, with common inclusions of fuchsite)
Unakite
Epidotized Granite
Coarse Sand Grain / Lithic Fragment
Clastic Sediment (Lithic fragment or Quartz/Feldspar grain)
Green Aventurine (likely)
Silicon dioxide (SiO2) with fuchsitemica inclusions
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Quartzite
Quartzite (SiO2)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Satin Spar Selenite
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Greenschist
Chlorite-actinolite schist
Quartzite Pebble (River Rock)
Quartzite (mainly SiO2)
Garnet in Matrix (Eclogite)
Eclogite, featuring Almandine or Pyrope Garnet [X3Y2(SiO4)3]
Yellow Quartzite
Quartzite (primarily SiO2)
Agatized Petrified Wood
Silicon Dioxide (SiO2) - Chalcedony pseudomorph after Wood
Foliated Gneiss (River-Worn Pebble)
Gneiss (High-grade Regional Metamorphic Rock)
Marble
Recrystallized Calcite (CaCO3) Rock
Lapis Lazuli
Lazurite-dominant Metamorphic Rock (complex aluminosilicate)
Yellow Agate
Silicon Dioxide (SiO2)
Quartz (likely a weathered/tumbled piece)
Quartz (SiO₂)
Gneiss (Cobble)
Gneiss
Lapis Lazuli (Raw Ore)
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)
Schist
Mica Schist
Red Quartzite
Quartzite (SiO2 with iron oxide impurities)
River Stone / Pebble
Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Nuummite
Nuummite (Ortho-amphibole rock, primarily Anthophyllite and Gedrite)