Diaspore, the new addition in Afghanistan minerals (Raw Diaspore)

During the month of the March 2020 A local Peshawar based small gemological lab CIGTL test a stone with verbal result diaspore 

Here I want to share some observation regarding the new material. 

The main area of the deposit in Goshta, Jalalabad, Afghanistan (near hydro grossular mines in Goshta).

The colour of the stuff is mauve(pale purple) mostly crystals are broken but in good size and clarity (for lapidary) observed. 

I do not observe any colour change material but in incandescent light, the mauve colour slightly changes in lavender (which is the same version of purple with bright colour) 

The material is strongly pleochroic.

No diagnostic absorption spectrum is seen. 

Raman spectra of Diaspore from Afghanistan 

regard 

HUK