This nice tourmaline crystal is from Kunar in Afghanistan.
This tourmaline is bi-colour of pale green and soft musky pink colour with excellent blocky shape perfect for faceting.
17mm along the C axis.
8.2mm and 8.7mm on the A/B axis.
The C axis is open.
This stone is I clarity and will cut an estimated finished weight stone of 3.5-4ct, depending on the cutting.