Smoky quartz with hyalite on black tourmaline Aragonite Some of the calcite is

Some of the calcite is exposed and will fluoresce a weak peachy red under 365 nm UV light

Approx weight: 212g

and imprints of crystals that have dissolved

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

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

Smoky quartz with hyalite on black tourmaline Aragonite Some of the calcite isLocale: 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