6.0 - 7.0 on the Mohs scale.
Madagascar, Myanmar (Burma), North America, former USSR and Sweden.
Sometimes found in other shades of color beside pink (kunzite) and green (hiddenite), these gems are simply called spodumene. Colors can range from colorless, yellow to green and lilac pink.
Refer to specific types.
More information on gemstone enhancements.
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