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.
Chrome Diopside makes an excellent substitute for other green gemstones, mainly Emerald and Tsavorite, as it exhibits a similar color at a fraction of the cost. In fact, Chrome Diopside is the most affordable of all the rich green colored gemstones.Chrome Diopside is not treated.hrome Diopside is in the pyroxene group of minerals, and has PRISMATIC CLEAVAGE, which means the angles of cleavage are 87 degrees and 93 degrees (almost perpendicular). This makes it a very difficult gem to facet. But at the same time, it has about twice the refraction of an emerald, giving it a brilliant sparkle.