Black tourmaline in albite matrix with hyalite and minor fluorite Hematite depositing a layer of frosty

depositing a layer of frosty quartz on the surface

These twinned cubic crystals come via UK Mining Ventures

Etching has also created a light crosshatch effect in the surface

Approx weight: 71g

with a quick gradient to colorless quartz

Black tourmaline in albite matrix with hyalite and minor fluorite Hematite depositing a layer of frostyLocale: Erongo Mountain, Namibia Approx dimensions: 5 x 3. 25 x 3" Approx weight: 603g This is a great "hodgepodge" specimen, featuring a large cluster of botryoidal hyalite on a Dalmatian spotty matrix of white albite, black tourmaline, and smoky quartz. The crystals of black tourmaline, known as schorl, are well formed and many have the 'Mercedes' termination characteristic of the Erongo region. A few small cubic fluorite crystals also spot the