Family: Lapiz Lazuli
Colour: Blue to violet with spots or stripes of white, grey or gold colours, opaque
Hardness: 5- 6 (as per Mohs hardness scale)
Sources: Afghanistan, Russia, Chile, Burma, Canada, Pakistan
Interesting Facts: The blue colour comes from sulphur. Grey or white inclusions come from calcite deposits and golden inclusions from pyrite. Lapiz lazuli with evenly spread inclusions of pyrite is the most sought after.
Lapiz is sensitive to high temperatures and acids. It has been used in jewellery since prehistoric times and over the ages has also commonly been used for ornaments and inlays.
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