Rutilated Quartz
SiO2 with TiO2 inclusions (Rutile)
Mineral
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite Cobble
Granite (Phaneritic Igneous Rock)
igneous
Sandstone with Iron Concretion
Arenite with Limonite/Goethite Concretion
sedimentary
Magnetite
Magnetite (Fe3O4)
mineral
Unakite
Epidotized Granite
metamorphic
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
mineral
Quartz Geode/Cluster
Quartz (SiO2)
mineral
Ferruginous Quartz (River Pebble)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Gneiss (Granitic Gneiss)
Gneiss
metamorphic
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Green Quartz (including Prase or Aventurine variants)
Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)
mineral
Amygdaloidal Basalt
Basalt with Secondary Mineral Infillings
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Muscovite Schist
Muscovite (KAl2(AlSi3O10)(OH)2) in Schist
metamorphic
Diamond (faceted)
Diamond (Pure Carbon, C)
mineral
Ruby in Fuchsite (often sold as Ruby in Zoisite)
Corundum (Al2O3) in Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Breciated Chert
Brecciated Chert (Microcrystalline Quartz, SiO2)
sedimentary
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8
mineral
Green Tourmaline
Verdelite (Silicate mineral); Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Chert / Flint
Cryptocrystalline quartz (SiO2)
Sedimentary
Basalt with Epidote (Greenstone)
Epidote-bearing Metabasalt
metamorphic
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)
Epidote with Black Hornblende and White Quartz mixture
metamorphic
Quartz Vein in Gneiss or Basalt
Milky Quartz (SiO2) within Metamorphic Host Rock
Metamorphic or Igneous with Mineral Inclusion
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusion of Mica
Mineral (Variety of Quartz)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
mineral