Gold-bearing Quartz Ore
Auriferous Quartz (SiO2 + Au)
metamorphic
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Magnetite with Pyroxene
Magnetite (Fe3O4) in Mafic Igneous Matrix
mineral/igneous
Blue Zircon
Zircon (Zirconium Silicate, ZrSiO4)
gemstone
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt (Mafic volcanic rock)
igneous
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Diorite
Intermediate Phaneritic Igneous Rock
igneous
Pink Granite
Felsic intrusive igneous rock
igneous
Diorite
Diorite (an intrusive igneous rock)
igneous
Basalt with Calcite Veining
Aphanitic Mafic Igneous Rock (Basalt) with CaCO3
igneous
Quartz with Tourmaline and Iron Staining
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sapphire
Corundum (Al2O3)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz River Cobble
Silicon Dioxide (SiO2)
Mineral (Primary constituent)
Fluorite
Calcium Fluoride (CaF2)
mineral
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Quartz Crystal (specifically Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Pegmatitic Granite
Granite with Orthoclase Feldspar and Quartz (SiO2, KAlSi3O8)
igneous
Granite (including Pegmatite variants)
Phaneritic Plutonic Rock (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Muscovite mica)
Igneous
Granite
Phaneritic plutonic rock (composed mainly of SiO2, Al2O3, K2O, and Na2O)
igneous
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock with Hydrothermal Veining
igneous
Basalt
Extrusive mafic igneous rock
igneous
Basalt
Extrusive mafic igneous rock
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
gemstone
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Sapphire (Raw)
Corundum (Al2O3)
mineral