Smoky quartz with hyalite on black tourmaline Aragonite Note: I was able to

Note: I was able to remove the chip of matrix between the two larger formations (apparent in images 1 and 3) so it is less distracting from the aesthetics of the piece

UV reactivity Hyalite is so strongly UV reactive that you can see it in sunlight

and imprints of crystals that have dissolved

in the case of Option F

but minus the aid of bacteria: mineral-rich waters precipitate barite which binds with sand to form concentric layers around a nucleus

Smoky quartz with hyalite on black tourmaline Aragonite Note: I was able toLocale: Erongo Mountain, Namibia Approx dimensions: 4. 25 x 3 x 2" Approx weight: 437g ** Loose piece on base Smoky quartz from the Erongo region is typically a quite dark brown black color, with lower clarity due to natural inclusions, and a flat surface luster caused by etching. This piece is a bit lighter than usual with some crystal faces glassy clear, providing a window inside. Erongo smoky grows sculptural angular points with nice striations