Grandidierite is an extremely rare mineral that was first discovered in Madagascar it has a dark Blueish-Green color.
This item comes in a bag of your choice, either 3, 5, or 7 pieces of Grandidierite in a bag totalling 7.5 carats (1.5 grams) in total weight.
It has a chemical formula of (Mg,Fe2+)Al3(BO3)(SiO4)O2
The hardness of grandierite is 7.5 which rivals Tanzanite.
You will not get the exact pieces in the pictures but something similar.
Nharo has been collecting mineral specimens in Southern Africa since 2002. We focus on bringing a wide variety of unusual, beautiful and energetic minerals to you!