Dendritic Agate
Chalcedony (SiO2) with manganese/iron oxide inclusions
mineral
Category
Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)
Browse metamorphic rock (for nephrite and some jadeite); mineral (for jadeite) specimens identified by the Rock Identifier community.
Iron-stained Quartzite / Chert
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Unakite
Unakite (Metasomatized Granite)
metamorphic
Arsenopyrite in Quartz/Host Rock
Arsenopyrite (FeAsS)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist (Composition typically includes Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)
metamorphic
Quartzite (River Pebble)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartzite with inclusions
Metamorphosed Quartz-rich Rock (SiO2)
metamorphic
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Rough Star Sapphire (Corundum)
Al2O3 (Aluminum Oxide)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Ruby in Kyanite
Al2O3 (Corundum) in Al2SiO5 (Kyanite-Fuchsite-Quartz)
metamorphic
Quartzite with Iron Mineral Banding
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) staining
metamorphic
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2)
Mineral
Sapphire (Corundum)
Corundum (Al2O3)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Schist
Mica Schist
metamorphic
Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)
Diorite (Igneous rock, intrusive, intermediate composition)
Igneous Rock
Almandine Garnet in Matrix
Almandine (Fe3Al2(SiO4)3)
metamorphic
Foliated Gneiss (River-Worn Pebble)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Gneiss
Gneiss (High-grade metamorphic rock composed primarily of Quartz, Feldspar, and various Micas)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Schist
Chlorite/Mica Schist
metamorphic
Serpentine (Serpentinite)
Serpentinite (complex silicate group including lizardite, chrysotile, and antigorite)
metamorphic
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
igneous
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix
Metamorphic or Igneous (context dependent)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble (with Iron Inclusions)
Quartzite (primarily SiO2 with Fe2O3/FeOOH impurities)
metamorphic
Mica Schist
Schist (Biotite/Muscovite rich)
metamorphic
Schist
Crystalline Schist (often containing Muscovite, Biotte, or Quartz)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Mica Schist
Mica Schist (Main mineral constituents: Muscovite/Biotite, Quartz, Feldspar)
metamorphic