Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
Tiger's Eye
Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)
Amazonite
KAlSi3O8 (Potassium aluminum silicate - blue-green variety of Microcline)
Carnelian
SiO2 (Silicon Dioxide), a variety of Chalcedony
Pyrite
Iron Sulfide (FeS2)
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Cat's Eye Moonstone (Feldspar)
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8) inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar (Twinning Specimen)
Orthoclase (KAlSi3O8)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
Ruby
Corundum (Al2O3 with Chromium impurities)
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Moonstone (Feldspar variety)
Orthoclase Feldspar (KAlSi3O8)
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Amethyst
Amethyst is a variety of Quartz (SiO₂)
Tumbled Carnelian and Quartz Mix
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper (Opaque Chalcedony)
Jasper / Silicon Dioxide (SiO2) with Ferric Iron inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
Yellow Jasper
Silicon dioxide (SiO2)
Carnelian Agate
Carnelian (Silicon Dioxide, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Carnelian
Carnelian (a variety of Chalcedony); SiO2 (Silicon Dioxide)
Blue Tiger's Eye
Riebeckite (crocidolite variety)
Carnelian (a variety of Chalcedony)
SiO2 (Silicon Dioxide) - Cryptocrystalline Quartz
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Amazonite
Triklinic Potassium Feldspar (KAlSi3O8)
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)
Sunstone
Oligoclase (Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8 with Hematite or Copper inclusions
Labradorite
Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)