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  • Andradite - Wikipedia
    Andradite is a mineral species of the garnet group It is a nesosilicate, with formula Ca 3 Fe 2 Si 3 O 12 Andradite includes three varieties: Demantoid: Vivid green in color, one of the most valuable and rare stones in the gemological world [7] Melanite: Black in color due to limited substitution of titanium for iron
  • Andradite : Properties, Formation, Locations » Geology Science
    Definition and Overview: Andradite is a calcium iron silicate mineral with the chemical formula Ca3Fe2 (SiO4)3 It is named after the Brazilian mineralogist José Bonifácio de Andrade e Silva and is known for its typically deep green to black coloration, although it can also be brown, yellow, or even red in certain varieties
  • Andradite: Mineral information, data and localities.
    Andradite is found in skarns from contact metamorphosed impure limestones or calcic igneous rocks; in chlorite schists and serpentinites; in alkalic igneous rocks, then typically titaniferous
  • Andradite garnet: The mineral Andradite (demantoid) info pictures
    Andradite is a member of the Garnet group, and although not as well-known as other Garnets such as Almandine or Pyrope, it is still fairly abundant and can produce fine Garnet gemstones A valuable gem form of Andradite is the rare Demantoid, which is a transparent green variety that is highly lustrous with an adamantine luster
  • Andradite Gemstone: Properties, Meanings, Value More
    Discover andradite, a prized garnet known for its stunning hues and dazzling brilliance Learn about its properties, pricing, formation, and more in our guide
  • Andradite | Demantoid, Chromium-Rich Olivine | Britannica
    andradite, calcium-iron garnet, perhaps the most spectacular garnet because of its high dispersion (separation of light into colours), even greater than that of diamond, and refractive index
  • Andradite Garnet Value, Price, and Jewelry Information
    Demantoid garnet, the chromium-bearing, green variety of andradite, is the most well-known and valuable andradite For more information on value and quality factors for this gem, consult our demantoid buying guide
  • Andradite Healing Properties, Meanings, and Uses - Crystal Vaults
    Andradite Garnet is a calcium iron silicate, named after the Portuguese mineralogist d'Andrada It is well-grounded in Earth's elemental colors of green or olive, dark yellow, and black A spiritual stone of higher thinking and self-empowerment, it is also a stone of strength and safety
  • Andradite Mineral Data
    Andradite is named after the Brazilian mineralogist J B de Andrada e Silva (1763-1838) Demantoid is named after its adamantine luster Comments: Transparent topazolite, the yellow variety of andradite on clinochlore Location: Yellow Cat Mine, New Idria District, San Benito County California, USA Scale: 2 7 x 2 5 cm
  • 16. 8. 2: Andradite - Geosciences LibreTexts
    Demantoid is the green variety of andradite Melanite is the black, opaque variety which is mostly used in mourning jewelry Topazolite is the lemon yellow variety of andradite Grandite is a brownish variety of grossular-andradite and has lower values compared to the other varieties of andradite





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