Crystals are often measured by their hardness. Do you know the name of this scale or who it is named after?
Friedrich Moh's Scale
The winner receives a $10.00 gift voucher
***Congratulations to Melissa, who was randomly selected from among all the correct entries. She received a Gift Voucher for $10.00 to be used at HealingCrystals.com!***
Posted on November 10, 2011
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