75 Gram Rough Hauyne Gemstone | Rough Uncut Gemstone

This is 75 grams of raw Hauyne gemstone, very unique and 100% natural and untreated. The origin is Afghanistan. Key Features Stone name: Hauyne Color: Blue Dimensions: 28.19x25.7mm Treatment: None Origin: Afghanistan 10 Facts About Haüyne Gemstone Haüyne is a rare gemstone, even rarer as a gemstone. The Haüyne gemstone is related to the sodalite group of minerals and has a complex silicate chemical composition. Crystal Formation: It typically forms dodecahedral or cubic crystals and crystallizes in the isometric system. Color Variations: It is known for its blue color, especially found in deep sapphire or blue shades, although it can also occur in green, yellow, brown, and gray. Hardness: Besides its beautiful color, the Haüyne gemstone has a low hardness of 5.5 to 6 on the Mohs scale, making it a soft stone that is difficult to cut and facet, often faceted only for collectors. Geological Formation: It is typically found in silica-poor, alkali-rich, volcanic rocks, especial