Although diopside crystals can grow larger from other deposits, there is no doubt that these are the gemmiest in the world, but few from here reach this massive size! This particularly large crystal is not only transparent but has a beautiful greenish color similar to brazilianite. It weighs 50 grams, and although contacted on the back and one side, when properly displayed shows no damage in the display faces. A very rare example of a very common mineral in exceptional form! This is one of the best I have seen for sale out there.