<<< BACK TO LIST Quartz (amethyst phantom) with Prehnite Goboboseb Mts., Brandberg area, Erongo region, Namibia 6.2 x 2.2 CM (small cabinet/ large miniature) price: $340 Tucson group Sharp, pretty and impressive! This specimen has it all, form, color and bright glass like luster - a great example of why collectors love Brandburgs! The bright sparkling green ball of Prehnite adds great contrast to the purple phantom. This is a Goboboseb specimen, in extraordinary condition and far better in person.