Moonstone with Black Tourmaline
Feldspar (KAlSi3O8) with inclusions of Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Category
Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.
Moonstone with Black Tourmaline
Feldspar (KAlSi3O8) with inclusions of Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Yellow Sapphire
Corundum (Al2O3)
Yellow Sapphire
Corundum (Al2O3)
Tumbled Ruby
Corundum (Al2O3:Cr)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Ruby / Red Tourmaline
Corundum (Al2O3) or Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)4)
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Orange Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Basalt with Quartz/Feldspar Inclusion
Basalt (containing Silicate minerals such as SiO2 and (Ca,Na)(Al,Si)4O8)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble with Mineral Inclusions
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Sapphire
Corundum (Al2O3)
Green Aventurine (Carved)
Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Quartz
Silicon dioxide (SiO2)
Tumbled smoky quartz
Quartz, silicon dioxide (SiO₂), smoky variety
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Iron-rich quartzite or weathered ironstone pebble
Quartzite, chiefly SiO₂, with iron-oxide minerals (hematite/goethite)
Milky Quartz
Silicon Dioxide (SiO2)
Mahogany Obsidian
Volcanic Glass with Hematite or Magnetite inclusions (SiO2 + Fe2O3)
Quartz Vein
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions (Quartzite)
Mahogany Obsidian
Volcanic glass (SiO2 with Hematite or Magnetite inclusions)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Tumbled quartz (likely milky or rose quartz)
Quartz, silicon dioxide (SiO₂)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂)
Milky quartz fragment
Quartz (silicon dioxide, SiO₂)
Quartz-rich granitic rock (likely pegmatitic granite)
Granite/pegmatite; predominantly quartz (SiO₂), feldspar, and dark biotite or amphibole
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Likely biotite-rich mica schist
Mica schist, chiefly biotite (K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂); exact identification from image is uncertain