Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Category
Metamorphic (Pseudo Igneous)
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
Learn about Metamorphic (Pseudo Igneous) in the encyclopedia
View all →
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase or Andesine (Feldspar Group), (Ca,Na)((Al,Si)4O8)
mineral
Garnet (specifically Almandine or Pyrope)
Almandine: Fe3Al2(SiO4)3 or Pyrope: Mg3Al2(SiO4)3
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Moonstone
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8) inclusions
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2AlSi3O10(OH)2
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Labradorite
(Ca,Na)(Al,Si)4O8
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Almandine Garnet & Tumbled Citrine Quartz
Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Ruby
Corundum (Al2O3)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Mineral
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Smoky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Hematite/Limonite staining
Silicon Dioxide (SiO2)
mineral
Sapphire (Blue)
Corundum (Al2O3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral