Citrine Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2)
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with iron impurities
Dragon Blood Jasper (Epidote with Piedmontite or Quartz)
Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Labradorite
Labradorite (Ca, Na)(Al, Si)4O8
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Ocean Jasper
Orbicular Jasper/Microcrystalline Quartz (SiO2)
Labradorite
Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8
Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Larimar
Pectolite (NaCa2Si3O8(OH))
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Amethyst
Silicon dioxide (SiO2) with iron impurities
Moss Agate
Silicon Dioxide with inclusions (SiO2)
Red Jasper
Quartz (Silicon Dioxide) with Hematite inclusions, SiO2
Amethyst
Silicon dioxide / Violet Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with ferric impurities)
Pink Quartz (Rose Quartz variant)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of quartz after crocidolite (SiO2 with iron oxide inclusions)
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with iron impurities)
Bornite (Peacock Ore)
Bornite (Copper iron sulfide - Cu5FeS4)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Gold Ore in Quartz
Auriferous Quartz (Gold: Au; Quartz: SiO2)
Rose Quartz
Crystalline Silicon Dioxide with trace Titanium/Manganese/Iron (SiO2)
Copper Ore with Chrysocolla and Azurite
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / Cu3(CO3)2(OH)2 (Azurite)
Amethyst Quartz Pebble
Silicon Dioxide (SiO2) with iron impurities
Labradorite
Labradorite, (Ca, Na)(Al, Si)4O8
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Black Tourmaline in Quartz
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) in Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gold Nugget
Native Gold (Au)
Granite
Granite (Felsic intrusive igneous rock)
Copper-bearing Quartz (likely Malachite on Quartz matrix)
Cu2CO3(OH)2 (Malachite) on SiO2 (Quartz)
Greenstone
Metabasalt / Greenschist facies rock
Gneiss
Gneiss