Slate
Slate (foliated metamorphic rock)
metamorphic
Category
Igneous And Metamorphic
Browse igneous and metamorphic specimens identified by the Rock Identifier community.
Quartzite (River Pebble)
Metamorphic Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphic Quartz Sandstone (SiO2)
metamorphic
Schist
Schist (Crystalline metamorphic rock)
metamorphic
Green Slate (Greenstone)
Metamorphic shale (varied composition)
metamorphic
Quartzite Pebble (River Rock)
Metamorphic Quartzite (predominantly SiO2)
metamorphic
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Sedimentary or Metamorphic (low-grade)
Quartzite Pebble
Metamorphic Quartzite (primarily SiO2)
metamorphic
Slate
Slate (Foliated Metamorphic Rock)
metamorphic
Quartzite (River Pebble)
Recrystallized Quartz (SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Glaucophane Schist (Blueschist)
Blueschist (Glaucophane-bearing schist)
metamorphic
Slate
Slate (foliated metamorphic rock rich in quartz, sericite, and chlorite)
metamorphic
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Quartzite pebble
Metamorphic Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble (with Iron Inclusions)
Metamorphic Rock (Mainly SiO2)
metamorphic
Quartzite
Metamorphic Rock (Mainly SiO2)
metamorphic
Pink Quartzite
Silica (SiO2) - Metamorphic rock
metamorphic
Quartzite
Metamorphic Quartzite (predominantly SiO2)
metamorphic
Quartzite pebble
Metamorphic rock (mainly SiO2)
metamorphic
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
metamorphic
Orange Quartzite
Metamorphic Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphic rock (primarily SiO2)
metamorphic
Quartzite (River Cobble)
Metamorphic Quartz-rich Rock
metamorphic
Quartzite Pebble
Metamorphic Quartzite (primarily SiO2)
metamorphic
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
metamorphic
Slate
Slate (Foliated metamorphic rock)
metamorphic
Phyllite
Phyllite (Foliated metamorphic rock)
metamorphic
Mica Schist
Schist (Crystalline metamorphic rock)
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 containing Fuchsite)
metamorphic
Yellow Aventurine
Quartzite (formula: SiO2 with inclusions)
metamorphic
Graphite
Graphite (Carbon, C)
metamorphic
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
mineral
Unakite
Unakite (Altered Granite)
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Granite
Granite (a felsic intrusive igneous rock)
Igneous Rock
Ruby in Fuchsite
Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)
Mineral
Schist
Mica Schist
metamorphic
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Blue Quartzite
Quartzite (silicon dioxide, SiO2)
metamorphic
Quartz Vein in Schist
Quartz (SiO2) in Mica Schist
metamorphic
Yellow Quartzite (River Pebble)
Crystalline Quartz (SiO2)
metamorphic