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A trapiche emerald A Colombian trapiche emerald, diamond, platinum and 18K yellow gold ring. Trapiche emerald is a rare variety of the gemstone emerald, characterized by a six-arm radial pattern of usually black spokes separating areas of green emerald. If weathered, the black spokes may become light in color.
Trapiche in the island of The Hispaniola in an engraving of the 17th century. A trapiche is a mill made of wooden rollers used to extract juice from fruit, originally olives, and since the Middle Ages, sugar cane as well. By extension the word is also sometimes applied to the location of the mill, whether the workshop or the entire plantation. [1
Rare "trapiche" emeralds are found in Colombia, distinguished by ray-like spokes of dark impurities. Zambia is the world's second biggest producer, with Kagem mine being the world's largest emerald mine [ 11 ] responsible for 25–30% of the world's production of gem-quality stones. [ 12 ]
Rare "trapiche" emeralds are found in Colombia, distinguished by ray-like spokes of dark impurities. Zambia is the world's second biggest producer, with its Kafubu River area deposits (Kagem Mines) about 45 km (28 mi) southwest of Kitwe responsible for 20% of the world's production of gem-quality stones in 2004. [28]
A rare type of emerald known as a trapiche emerald is occasionally found in the mines of Colombia. A trapiche emerald exhibits a "star" pattern; it has raylike spokes of dark carbon impurities that give the emerald a six-pointed radial pattern. It is named for the trapiche, a grinding wheel used to process sugarcane in the region.
Calcite. Manganoan calcite (var.); Caledonite; Canasite; Cancrinite. Vishnevite; Carletonite; Carnallite; Cassiterite; Catapleiite; Cavansite; Celestite; Ceruleite ...
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
Trapiche emerald; List of emerald misnomers. African emerald a misnomer for fluorite; Cape emerald a misnomer for prehnite; Mother of emerald a misnomer for prase; Uralian emerald a misnomer for green demantoid garnet; Oriental emerald a misnomer for both green corundum, and to the green chlorospinel type of natural spinel
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