Gemstone knowledge
Tourmaline from Vietnam – Things perhaps you do not know
I have been dealing tourmaline from Afghanishtan and tourmaline from Vietnam. Therefore, I noticed tourmaline from different places has distinguished features and in this writting, i would like to share some of Vietnamese tourmaline features with you guys.
– Gerenal colors from the first glance
– Hexagonal structure and triangular structure
– Colors
– Texture and the form usually found:
