Moonstone (Feldspar)
Orthoclase/Albite ((K,Na)AlSi3O8)
Category
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Moonstone (Feldspar)
Orthoclase/Albite ((K,Na)AlSi3O8)
Calcite
Calcium Carbonate (CaCO3)
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
Rough Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
Chalcopyrite
Chalcopyrite (CuFeS2)
Unakite
Unakite (altered granitic rock)
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
Smoky Quartz
Silicon Dioxide (SiO2) with natural radiation induced color centers
Quartz Pebble
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium traces)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Gold
Native Gold (Au)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (River Pebble)
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Ruby, Emerald, and Sapphire (Corundum and Beryl)
Corundum (Al2O3) and Beryl (Be3Al2Si6O18)
Citrine
Yellow Quartz (SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Green Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Milky Quartz (or Vein Quartz)
Silicon Dioxide (SiO2)
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities and natural radiation influence)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline) in Quartz Matrix
Schorl: NaFe3Al6(BO3)3Si6O18(OH)4 (Complex Borosilicate)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Ruby (Corundum)
Al2O3 (Aluminium oxide with Chromium impurities)
Raw Citrine (Yellow Quartz)
Citrine / Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
Tiger's Eye (Blue-Gold transition)
Pseudomorph of Quartz after Crocidolite (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Tiger's Eye
SiO2 (Silicon Dioxide with inclusions of Goethite/Limonite)