Amethyst / Smoky Quartz Crystal - NBB 091

Description:  A double terminated amethyst crystal with three minor crystals attached to (and one partially embedded in) the lesser termination. 

The main termination appears to be perfect, and has patches of smoky colour in it, as well as two small, still bubbles.  It has pretty growth marks, and a bit of white (unknown) mineral attached to one of the main termination's facets (3rd photograph), and to one of the sides there is a light brown (unknown) mineral just under the surface, and also to the termination of one of the lesser crystals, along with pressure marks. 

The smallest of the lesser crystals has many reddish-brown hematite specks inside.

Chemical Composition:  SiO₂

Hardness on Mohs Scale:  7

Location:  Brandberg Namibia

Specimen Code:  NBB 091

US $ 120