Smoky Quartz with Calcite/Quartz Veining
Silicon Dioxide (SiO2)
mineral
Category
Igneous
Browse igneous specimens identified by the Rock Identifier community.
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Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Chalcedony (SiO2 with iron oxide impurities)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Unidentifiable Rock Fragment
Uncertain
Labradorite (Feldspar)
Labradorite, (Ca,Na)(Al,Si)4O8
mineral
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz
Rose Quartz (SiO2 - Silicon Dioxide with trace amounts of titanium, iron, or manganese)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby in Zoisite
Zoisite with Corundum (Ca2Al3(SiO4)(Si2O7)O(OH) + Al2O3)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon dioxide (SiO2)
Mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Rose Quartz
Rose Quartz (SiO2 with trace Ti, Fe, or Mn)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
mineral
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Labradorite (likely)
(Ca,Na)(Al,Si)4O8
mineral
Quartz (Milky/Sugar variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rutilated Quartz (with Garnet pendant)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
mineral
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Greenschist
Chlorite schist
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral