Uvarovite Palmstone Uvarovite is a calcium chromium silicate, it is the rarest member of the Garnet group and is a bright emerald green. This polished Palmstone is from Russia and this batch is the first time I have ever seen this particular mineral polished. It is a rare object and measures approx. 4.7 cms x 4.3 cms x 0.9 cms. Check out my other items ! Be sure to add me to your favourites list !Please remember if you are making multiple purchases to request an invoice before you pay so I can reduce the postage/shipping costs for you.