A new mineral, Putnisite, was recently discovered by a mining company in a surface outcrop at Polar Bear peninsula in Australia. Researchers have learned that Putnisite is unique because of its combination of strontium, calcium, chromium, sulphur, carbon, oxygen, and hydrogen although they are still working on figuring out the best use for this new mineral. The hardness value of Putnisite is similar to that of gypsum. On Moh’s scale of hardness, gypsum is second to Talc which is the softest mineral.
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