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Winza is a mining location in Mpwapwa District, Dodoma Region, Tanzania, Africa. It is known for ruby mining. [1] The Winza mines are in the Usagaran Belt which is a metamorphic zone. [2] Rubies were discovered in the area in 2007. [2]
FURA Gems is a private global mining company that produces colored gemstones: emeralds, rubies, and sapphires. [1] Founded in 2017 FURA has its headquarters in Dubai, United Arab Emirates, and operates mining subsidiaries in Colombia, Mozambique, and Australia.
As the Yogo mines were still owned by the English, the United States government could not control those operations, so the mines were little affected by the war, even though industrial sapphires were critical to the war effort. [68] The Yogo Sapphire Mining Corporation of Billings, Montana, was the next company to try to run the English Mine ...
The ruby was discovered by Dubai-based FURA Gems in its mine in Mozambique on July 21, 2022. [2] [3] [4]Before its unveiling and cutting, Daniel Nyfeler, managing director of Gübelin Gem Lab, stated: "the Estrela de Fura ruby is likely to yield an intense, saturated red colour once fully and properly faceted with adequate proportions, is relatively free of eye-visible inclusions.
The Aappaluttoq mine in Greenland is located 160 kilometers south of Nuuk, the capital of Greenland. The rubies are traceable from mine to market. [21] The Montepuez ruby mine in northeastern Mozambique is situated on one of the most significant ruby deposits in the world, [22] although, rubies were only discovered here for the first time in ...
A total of 6,974 metres of diamond drilling was completed in 65 holes. Ruby and pink sapphire was found in 48 of the holes. At Aappaluttoq, the ruby and pink sapphire mineralization occurs in a corundum (ruby-sapphire) alteration band that exhibits trench-to-trench and drill hole-to-drill hole continuity.
A time capsule hidden in the cornerstone of the Zanesville Masonic Temple building revealed history of the building’s construction on Saturday.
It is primarily used to produce the ruby, sapphire and padparadscha varieties of corundum, as well as the diamond simulants rutile, strontium titanate and spinel. The principle of the process involves melting a finely powdered substance using an oxyhydrogen flame, and crystallising the melted droplets into a boule.