black-tourmaline

4 года назад

This video showcases different types of black tourmaline, including spheres, double-terminated crystals, and a rare crystal that resembles black tourmaline. The presenter discusses the characteristics and origins of each piece, highlighting their unique features and potential uses.

13 лет назад

This video explores the properties and origins of black tourmaline, a protective and healing stone. The speaker discusses its unique triangular shape, its origins in Sri Lanka, and its common occurrence embedded in quartz. The video also highlights the different grades of black tourmaline based on its luster, which can be seen at the website mentioned.