Tvalchrelidzeite 

Gomi Deposit, Oni District, Racha-Lochkhumi-Kvemo Svaneti Region, Georgia 

This is a very rare three locality sulfide mineral with Hg, Sb and As. It occurs as grey metallic crystal cleavages and masses with reddish cinnabar on silicified sandstone matrix. 

The specimen size 1.9cm x 1.5cm x 1.7cm 

---------------------------------------------------------------------

I’m a professional geologist/mineralogist, with analytical background. Many of my minerals were checked by x-ray diffraction and energy dispersive spectrometry. Some of my specimens comes with the documentation of the analysises.

---------------------------------------------------------------------