Smoky quartz with hyalite on black tourmaline Aragonite UV reactivity Hyalite is so

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

handling the mineral will leave black smudges on your skin and surfaces

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

and imprints of crystals that have dissolved

Feldspar likes to grow as twinned crystals

Smoky quartz with hyalite on black tourmaline Aragonite UV reactivity Hyalite is soLocale: 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