Quartz with Schorl inclusions
Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate Hydroxide (Black Tourmaline)
Category
Browse igneous or metamorphic specimens identified by the Rock Identifier community.
Quartz with Schorl inclusions
Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate Hydroxide (Black Tourmaline)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar (KAlSi3O8) with inclusions of Albite
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Citrine
Citrine (Silicon Dioxide, SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Rough Sapphire (Corundum)
Corundum (Al2O3)
Hypersthene
Hypersthene (formula: (Mg,Fe)SiO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Yellow/Citrine variety)
Crystalline Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Titanium Quartz (Rough)
Titanium-included Silicon Dioxide (SiO2 + Ti)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Moonstone
Orthoclase (Potassium Feldspar) - (K,Na)AlSi3O8
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Citrine
Silicon Dioxide (SiO2) with iron impurities
Quartz pebble
Silicon dioxide (SiO2)
Quartz (Quartz Pebble)
Silicon Dioxide (SiO2)