Corundum (variety Ruby/Sapphire)
Aluminum Oxide (Al2O3)
Category
Browse metamorphic or igneous with mineral inclusion specimens identified by the Rock Identifier community.
Corundum (variety Ruby/Sapphire)
Aluminum Oxide (Al2O3)
Tumbled white quartz
Quartz (silicon dioxide, SiO₂), likely milky quartz
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
Greenstone
Greenschist (Greened Metabasalt)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Pink Feldspar
Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8
Yellow Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled quartz pebble
Quartz (SiO₂), likely milky or fractured rock crystal
Magnetite with Pyrite or Chalcopyrite inclusions
Magnetite (Fe3O4) with Pyrite (FeS2)
Orange Calcite
Calcium Carbonate (CaCO3)
White Quartz Star
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Basalt with Quartz Vein
Basalt (extrusive igneous rock with SiO2 vein inclusion)
Greenstone
Chlorite schist or metabasalt depending on specific composition
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Milky quartz
Quartz (SiO₂), likely massive milky quartz with minor iron-oxide staining and inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Green Calcite
Calcium Carbonate (CaCO3)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sapphire
Corundum (Al2O3)
Yellow Sapphire
Corundum (Al2O3:Fe)
Green Quartz (Prasiolite or Aventurine)
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Diamond and Sapphire
Carbon (Diamond, C) and Aluminum Oxide (Sapphire, Al2O3)
Blue Sapphire
Corundum (Al2O3 with trace Titanium/Iron)
Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz with Iron Staining)
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese