Magnesio-axinite - Renamed Axinite-(Mg) by Mineralogical Record v39 (2008), 131.
The formula is Ca2MgAl2BO3Si4O12(OH) with hardness of 6.5-7
Occur in various colr such as brown,purple blue, grey purple and greenish yellow.
This stone comes from Pakistan and is has some small inclusions.Interesting color.
Weight: 0.28 ct.