Biotite Schist
Biotite Schist (Rich in K(Mg,Fe)3AlSi3O10(OH)2)
Category
Browse metamorphic (man made) specimens identified by the Rock Identifier community.
Biotite Schist
Biotite Schist (Rich in K(Mg,Fe)3AlSi3O10(OH)2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Quartzite with inclusions
Quartzite (SiO2)
Quartzite Cobble
Quartzite (SiO2)
Quartzite
Quartzite (SiO2 principal component)
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
Mica Schist
Foliated Metamorphic Rock (Schist)
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Tree Agate (Dendritic Agate)
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
Serpentinite (River Pebble)
Serpentinite (complex of Antigorite, Lizardite, and Chrysotile: Mg3Si2O5(OH)4)
Rhodonite
Rhodonite (MnSiO3)
Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
Serpentinite
Serpentinite (complex of lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)
Serpentine
Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4
Red Quartzite (Strawberry Quartz)
Quartzite (SiO2 with iron oxide inclusions)
Quartzite
Quartzite (primarily SiO2)
White Jade (Nephrite or Jadeite)
Tremolite-Actinolite series (Nephrite) or NaAlSi2O6 (Jadeite)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Greywacke (Briarcliff Schist/Gneiss)
Manhattan Schist / Fordham Gneiss complex
Quartzite (Milky)
Metamorphic rock predominantly composed of Quartz (SiO2)
Garnet-bearing Schist
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist
Blue Calcite
Calcium Carbonate (CaCO3)
Kyanite (within Quartz)
Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Orange Quartzite
Metamorphic Quartzite (primarily SiO2)
Granite
Granitoid
Limestone
Calcium Carbonate (CaCO3)
Schist
Mica Schist (Medium-grade metamorphic rock)
Ruby in Fuchsite (often sold as Ruby in Zoisite)
Corundum (Al2O3) in Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)