Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Rutilated Quartz
Silicon Dioxide with Titanium Dioxide (SiO2 with TiO2 inclusions)
Sandstone (River Cobble)
Clastic Sedimentary Rock (primarily Quartz with Feldspar)
Milky Quartz
Silicon Dioxide (SiO2)
Garnet Schist
Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)
Quartz (Milky/Clear)
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Potassium Alveolar Silicate (KAlSi3O8)
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
Sulfur (on Matrix)
Native Sulfur (S8)
Diamond
Diamond (pure Carbon, C)
Diamond
Diamond (C)
Quartz (Rose/Pink variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Dyed Quartz / Rose Quartz Imitation
Silicon Dioxide (SiO2) with artificial pigment
Vesicular Basalt with Secondary Mineral Inclusions
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Shale (with minor calcite veining)
Clastic sedimentary rock (primarily clay minerals and quartz)
Eudialyte
Na15Ca6Fe3Zr3Si26O72(OH,Cl)2 (Eudialyte Group)
Aventurine (Green Quartz)
Quartz with Fuchsite inclusions (SiO2 with K(Al,Cr)2(AlSi3O10)(OH)2)
Limonite (Pseudomorph after Pyrite/Marcasite)
Hydrated Iron Oxide (FeO(OH)·nH2O)
Granite
Granite
Barite
Barium sulfate (BaSO4)
Gneiss
Gneiss
Porphyritic Basalt (Flower Stone)
Basalt with Feldspar phenocrysts
Pink Granite
Phaneritic Felsic Igneous Rock
Quartzite
Quartzite (SiO2)
Gneiss
Gneiss
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
Granite (Polished Pebble)
Phaneritic Plutonic Rock (primarily Orthoclase and Quartz)
Granite
Intrusive igneous felsic rock
Banded Gneiss with Quartz Vein
Foliated Metamorphic Rock (Gneiss)
Granitic Gneiss
Gneiss (containing Potassium Feldspar and Quartz)
Diamond (set in Gold)
Carbon (C)
Smoky Quartz on Feldspar (Granite Pegmatite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
Granite Cobble
Felsic Intrusive Igneous Rock (Granite)
Greenstone
Greenschist (Greened Metabasalt)
Diamond (in Jewelry Setting)
Carbon (C) - Isometric-Hexoctahedral
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
Granite
Granite (comprised primarily of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica (KAl2(AlSi3O10)(OH)2))
Gneiss
Gneiss