Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
White Calcite
Calcium Carbonate (CaCO3)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Smoky Quartz (SiO2 - Silicon Dioxide with trace impurities of aluminum)
Citrine Quartz
Silicon Dioxide (SiO2)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Green Calcite
Calcium Carbonate (CaCO3)
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Golden Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Moonstone (Green Moonstone / Garnierite)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Garnierite
Nephrite Jade
Nephrite
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Quartz (River Cobble)
Silicon Dioxide (SiO2)
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Magnetite
Magnetite (Fe3O4)
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Biotite Schist
Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]
Quartz Crystal (specifically Rock Crystal)
Silicon Dioxide (SiO2)
Moonstone
Adularia (Potassium Aluminum Silicate, KAlSi3O8)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Black Tourmaline (Schorl)
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe2+3Al6Si6O18(BO3)3(OH)3OH
Smoky Quartz
Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)
Rough Sapphire (Corundum)
Corundum (Al2O3)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Quartz (SiO₂)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)