Mireille - Conichalcite Silver RingThis ring features Conichalcite in its specimen form and while Conichalchite is not an unusual mineral, I think setting it in jewelry is!! Measuring 1" across the finger and 3 8" along, the Conichalcite specimen reminds me of of futuristic space ship, arcing off into the unknown, ready for a future no one could imagine. Rings was bench made by me, Margaret Aden, using Sterling Silver (which is 92. 5%) pure and is US Size 9 1 2 although because of