Hardness is the measure of one structure hardness against another. French mineralologist proposed a relative scale to measure one substances ability to scratch another’s. The lower the number the softer the material, the higher the number harder the material.
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February’s birthstone is traditionally an Amethyst. The Amethyst is known for is rich purple color and lustourous shine. The ancient Greeks believed the Amethyst was associated with the god Bacchus, god of wine, and helped keep its wearer sober. If the February born shall find Sincerity and piece of mind Freedom from passion and care [...]
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