"Dog tooth" Amethyst on Basalt (Non-precious mineral) #DTA5

The Amethyst in this formation is called "dog tooth" because of its shape and size. You can see many points growing on top of Basalt, some black Chalcedony is also there. 

Locality: Khadakwani, Madhya Pradesh, India

Weight: 17 gr.

Measurements: 30×22×18 mm