Natural Schorl Black Tourmaline with Feldspar Specimens x 2 From Erongo, Namibia Dendritic A large flat of 6

A large flat of 6 natural classic cabinet size selected Botryoidal Malachite and some Crystalline Malachite specimens

its ability to retain trace amounts of uranium and thorium allows geologists to use it for precise radiometric dating

Locality = Nigeria

Chrysoprase from Ambatondrazaka

Natural Schorl Black Tourmaline with Feldspar Specimens x 2 From Erongo, Namibia Dendritic A large flat of 6A NOTE FROM NICK New Stock !! A pair of shiny natural cabinet size Schorl Black Tourmaline specimens with Feldspar. PRODUCT DESCRIPTION Erongo Schorl Black Tourmaline Specimens Schorl Tourmaline, is the black variety of Tourmaline, Erongo specimens are often admired for their glossy appearance and remarkable crystal structures. Known as one of the most visually captivating black minerals, it often appears as fine, dense needles within Quartz, where it