Blue-Green Bi-Colour Tourmaline | 10.25g | Brazil Tiffany Stone which occurs in hydrothermal veins

which occurs in hydrothermal veins and sedimentary deposits

A commanding 5

Lepidolite has developed as a textured layer

Permineralized Wood | 25cm | Zwenkau

This exceptional 2

Blue-Green Bi-Colour Tourmaline | 10.25g | Brazil Tiffany Stone which occurs in hydrothermal veinsBlue Green Bi Colour Tourmaline 10. 25g Brazil A raw bi colour tourmaline from Brazil where blue and green occupy the same crystal the colour shift visible even in natural light, dramatic under a torch. In ambient light the piece reads as deep, almost black green with strong vertical striations across its blocky, rough prism faces. Under direct light the transformation is striking a vivid teal green core bleeds into a cooler blue zone, the two colours