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)
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
Garden Quartz (Lodolite)
Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)
Quartz (Milky Variant)
Quartz (Silicon Dioxide, SiO2)
Blue Quartz (specifically Dumortierite Quartz)
SiO2 (Silicon Dioxide) with inclusions of AlAl6BSi3O18 (Dumortierite)
Quartz (Clear Quartz and Rose Quartz variants)
Silicon Dioxide (SiO2)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Prasiolite (Green Quartz)
Silicon Dioxide (SiO2) with iron impurities
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Moonstone (Tumbled)
Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite
Smoky Quartz
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Emerald (Beryl)
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Clear Quartz
Silicon Dioxide (SiO2)
Aventurine (Green)
Aventurine Quartz (SiO2 + Fuchsite inclusions)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)