- Lapis Lazuli - Mohs Hardness: 5-6 - Treatment: None; polished with paraffin wax
- Lapis Lazuli is a blue rock made up of several different minerals, including lazurite, Sodalite, hauyne, calcite, and pyrite. The composition and color of lapis lazuli varies, but it is the intense dark blue, with minor patches of white calcite and brassy yellow pyrite, that is considered to be the best quality.
Found in Afghanistan, Argentina, Russia (Lake Baikal), Angola, Pakistan, Chile, Canada and the USA (California and Colorado)
Lapis lazuli has been worn in the belief that it will protect the wearer from evil. more about Lapis Lazuli
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