Citrine Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous or metamorphic specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2)
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Common Quartz Pebble
Silicon dioxide (SiO2) rock fragment
Gossan (Iron Hat)
Limonitic Gossan (Fe-oxide/hydroxide complex)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Magnetite
Magnetite (Fe3O4)
Quartz-rich rock fragment, possibly granite or quartzite
Primarily quartz (SiO₂), with possible feldspar and iron-oxide staining
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Smoky Quartz with possible inclusion
Silicon Dioxide (SiO2)
Milky Quartz with Algae/Chlorite
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz (Raw)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Quartz (likely Rose Quartz or Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Moonstone
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8) with inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Black Tourmaline
Schorl (Sodium iron aluminum borosilicate), NaFe3Al6(BO3)3Si6O18(OH)4
Smoky Quartz
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar (formula: (K,Na)AlSi3O8)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Moonstone (Green Moonstone / Garnierite)
Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Garnierite
Quartz Pebble
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst (Purple), Sulfur (Yellow), and Blue Apatite
SiO2 (Quartz), S (Native Sulfur), Ca5(PO4)3(F,Cl,OH) (Apatite Group)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Citrine (Heat-treated or Natural Quartz)
Silicon Dioxide (SiO2)