20.68 Gram Pretty Demantoid Garnet Specimen From koh-e-Belgheys, Iran

72.81 Gram Pretty Demantoid Garnet Specimen with Mother Rock From Iran Weight: 72.81 Gram Dimension: 2.9 x 6.2 x 4.2 Cm Origin: Belqeys Mountain ( Koh-e-Belgheys), Iran Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of Minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca₃Fe₂(SiO₄)₃ with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone Demantoid was a popular gemstone during the Belle Époque period (1890-1915), especially in Art Nouveau jewelry. The Russian Czars...

Product Information: Specimen: Demantoid Garnet on Matrix Weight: 62 grams Dimensions: H: 4 x W: 4 x D: 3.4 cm Origin: Kuhe-Belqeys, Takaab County, West Azerbaijan Province, Iran Treatment: None Description: Explore the breathtaking beauty of vibrant Demantoid Green Garnet Crystals on Matrix from Iran, a gemological masterpiece curated by Gandhara Gems...

This huge 55.98-gram prime example of the rarest species of garnet is from Merelani Hills, Manyara Region, Tanzania. This perfectly-hued, incredibly gemmy and lustrous specimen of th...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides c...