Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse metamorphic (modified) specimens identified by the Rock Identifier community.
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Wavellite
Wavellite (Al3(PO4)2(OH, F)3·5H2O)
Serpentinite
Serpentinite (group of minerals: Antigorite, Lizardite, Chrysotile)
Chrysocolla (on host rock)
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Copper silicate)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Carnelian Agate
Sardonyx / Banded Chalcedony (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline variety of Quartz (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Green Tourmaline
Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4
Pink Thulite (in Pumice-like texture)
Pink Zoisite (Mn-bearing Zoisite), Ca2Al3(SiO4)3(OH)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Dearest Jewelry (Multigemstone)
Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
Potassium Feldspar (Orthoclase)
KAlSi3O8
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Quartz (Milky Quartz/Citrine Type)
Silicon Dioxide (SiO2)
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Granitic Pegmatite (Muscovite and Quartz)
Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
Smoky Quartz
Silicon Dioxide (SiO2)
Biotite (Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Jadeite Jade
Sodium Aluminum Silicate (NaAlSi2O6)
Pyrite
Iron Sulfide (FeS2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Aventurine and Amazonite
Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)
Aventurine
Silicon Dioxide (SiO2) with inclusions
Pyrite
Iron Sulfide (FeS2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)