Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Banded Agate (specifically Carnelian Agate slice)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Chert (Quartz Variety)
Chert (Silicon Dioxide, SiO2)
Quartzite River Rock
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Chalcedony in Matrix
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2) with trace amounts of titanium, iron, or manganese
Granitic Gneiss
Gneiss (High-grade regional metamorphic rock)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Chert (Flint Nodular Variety)
Microcrystalline Quartz (SiO2)
Quartz (Grain)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
Unakite
Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Ruby in Fuchsite
Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Quartzite River Rock
Quartzite (SiO2)
Raw Emerald in Schist Matrix
Beryl (Be3Al2Si6O18) in Mica Schist
Gneiss
Gneiss
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium
Quartz (specifically Milky or Clear Quartz fragment)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Chert (Basanite variety) with Quartz Vein
Microcrystalline Quartz (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (mostly SiO2)
River Rock (Quartzite)
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)