Turquoise: A Historic Journey
If you have read about turquoise, you might have heard to keep it away from water. Do you know why? Well, it is because turquoise is hydrated phosphate that is full of copper and aluminum, which is why it absorbs liquids such as water. Since turquoise is a soft and porous mineral, it ranks between 5 and 6 on the Mohs Scale of Hardness, just below quartz.
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