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.
Also known as opalite and Tifanny stone, opal fluorite is a purple gemstone with swirls of lavender and white, earning the gemstone the nickname ice cream opal. This purple rock is composed predominantly of opalized stone, mixed with other minerals like quartz and chalcedony.hile most popular in red, garnet also occurs as purple stones. The purple crystals come from the varieties of garnet called pyrope and spessartine. Blue garnet, the rarest of all garnets, itself turns into a purple stone under an incandescent light.