.29 Carats Natural Blue Iolite Faceted Gemstone Pear ILT08 - $6 - (Fort Myers, FL)

Primary Stone / Iolite Gemstone: Iolite Gemstone Family: Gem Gemstone Count: 1 Carat Weight: 0.29 Gemstone Shape: Pear Primary Color: purple Color: Purple Treatment: No Known Treatment Country of Origin: India Composition: Natural Dimensions: 5.87 x 4.12 x 2.64 mm Iolite gemology Species: cordierite Color: Blue, violet, brownish Chemical composition: Mg2Al4Si5O18 magnesium aluminum silicate Crystal system: Orthorhombic, short prisms Hardness: 7-7.5 (Mohs scale) Specific gravity: 2.58 - 2.66 Refractive index: 1.542 - 1.578 Birefringence: -0.008 to - 0.012 Optical character: Color of streak: White Absorption spectrum: 645,593, 585, 535, 492, 456, 436, 426 Fluorescence: None View more great items

Posted in Fort Myers, FL, Jewelry
From ebay.com - 1 month ago