Green stilbite 5.23 ct.

is a hydrated sodium calcium aluminum silicate with formula NaCa2Al5Si13O36 -14H2O and hardness of 3.5-4. This green variety of the very common pink ,has some celadonite inclusions that are giving this green color.Celadonite is compose of potassium, iron,magnesium,silicate.Unusual stone. From Jalgaon,Maharashtra,India. Untreated. Size:12.5x12.5x7.5 mm. Weight:5.23 ct. CODE#3166