Optical Calcite
Calcium Carbonate (CaCO3)
Category
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
Optical Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
Blue Calcite
Calcium Carbonate (CaCO3)
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Pyrite (on Quartz/Sulfide matrix)
Iron Sulfide (FeS2)
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Quartz-bearing metamorphic rock, likely garnet-mica schist
Quartz–mica schist with probable garnet and iron-oxide minerals
Rhodonite beads (possibly dyed or treated, or lower quality Rhodonite)
Manganese inosilicate, (Mn,Fe,Mg,Ca)SiO3
Quartzite
Metamorphic Quartz Arenite (SiO2)
Burmese Jadeite (Water Jade)
Jadeite (NaAlSi2O6)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
Quartz with Schist Inclusion
Quartz (SiO2) with micaceous schist inclusions
Black Tourmaline (Schorl)
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
Yellow Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
Red Garnet
Almandine and Pyrope (Silicate minerals: Fe3Al2(SiO4)3 and Mg3Al2(SiO4)3)
Rose Quartz
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
Rose Quartz
Silicon Dioxide (SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2 with chlorite inclusions)
Serpentinite (with Pyrite/Garnet inclusions)
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4
Greenstone / Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
Serpentine
Serpentine Group (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Quartz with Host Rock Matrix
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Metamorphosed quartz sandstone
Quartzite Pebble
Quartzite
Quartzite
Quartzite (Metamorphosed Quartz Arenite)
Epidote
Epidote (Ca2(Al2,Fe3+)3(SiO4)3(OH))
Quartzite Pebble
Quartzite (primarily SiO2)