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 blue/green gemstones, see aqua colored stones. Shown below are pictures of some common and uncommon green colored stones. The links below provide more information about a specific gemstone, pictures of jewelry made with the stone, or its corresponding birthstone facts. This page will show you pictures of all the green birthstones. Tsavorite Garnet.