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Tuzlukov used a 3D model of the rough stone to create a synthetic yttrium aluminium garnet duplicate for the purpose of practicing the cutting. He also practiced on a 31.57 carat tsavorite, working nine to eleven hours a day for five days on the smaller stone. The actual cutting of the larger tsavorite took about a month.
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca 3 Al 2 Si 3 O 12. [2] Trace amounts of vanadium or chromium provide the green color.
Garnets (/ ˈ ɡ ɑːr n ɪ t /) are ... Tsavorite was first described in the 1960s in the Tsavo area of Kenya, from which the gem takes its name. [33] [34] Uvarovite.
A highly sought after variety of gem garnet is the fine green Grossular garnet from Kenya and Tanzania called tsavorite. This garnet was discovered in the 1960s in the Tsavo area of Kenya, from which the gem takes its name. Viluite is a variety name of grossular; that is not a recognized mineral species. [6]
Campbell R. Bridges (1937 – 11 August 2009) was a Scottish-born Kenyan gemologist. [1]Bridges, originally from Scotland, lived in Kenya with his family and regularly mined for rare gemstones with his son Bruce Bridges. [2]
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