We plan to accomplish our mission through biological and cultural programs and displays, green building design, citizen-science and other research, international exchange of information, the World Owl Hall of Fame, the International Festival of Owls, and other means.
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.are in gem-quality over several carats (1 carat = 200 mg) in weight, tsavorite has been found in larger sizes. In late 2006 a 925-carat (185.0 g) crystal was discovered. It yielded an oval mixed-cut 325 carat (65 g) stone, one of the largest, if not the largest faceted tsavorites in the world.
Basically Tsavorite is green grossularite, which is the calcium rich member of the Garnet family. Chemically, this gemstone is a calcium aluminium silicate coloured by traces of chromium and/or vanadium oxide.If there is a yellowish hue to the green, this would indicate the presence of iron oxide.ith Tsavorite, what you see is what you get! Tsavorite is a very beautiful green which can range from a fresh spring-green through a rich bluish-green to a deep forest-green. Of all the valuable green gemstones, Tsavorite is the truest green.