What is spina bifida? Spina bifida is a neural tube defect that develops during the first month of pregnancy when the spinal column does not close completely. What are the effects of spina bifida? The effects of spina bifida are different for every person.
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12. Trace amounts of vanadium or chromium provide the green color.
For more information see our article on Spessartite Garnet Prices. Tsavorite garnet is a rare grossular garnet colored by chromium. Discovered only in the 1960's, almost all the tsavorite in the world comes from a small area at the intersection of Tanzania and Kenya in east Africa.The best tsavorites rival emerald in color.ine quality stones in larger sizes sell for $300-$400 per carat. Rhodolite garnet is a mixture of almandine and pyrope garnet that is valued for its purplish-red or raspberry color. Unlike the common dark red garnets, rhodolite tends to be lighter in tone and lacks the brownish secondary hue.