RSS

Tag Archives: manganese mines

Sugilite: A stone of dreams

September 10, 2012

Comments Off on Sugilite: A stone of dreams

by Karyn Diane Kish —  Sugilite is a rare potassium sodium lithium iron manganese aluminum silicate mineral. It is a very beautiful stone that ranges between 6 to 7.5 on the Mohs scale of hardness, with colors ranging from violet-pink to a deep purple. It crystallizes in the form of lightly banded masses, and occasionally […]

Continue reading...
Web Analytics