What Is the Rarest Mineral on Earth?

Answer

There are several minerals that are hardly found on the earth's crust. A list of rarest minerals include: Aeschynite, allanite, apatite, bastnäsite and britholite among others. A rare earth mineral refers to a mineral which contains one or several rare earth elements as main metal constituents.
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oxegen.
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Painite is the rarest mineral on earth. Any other questions, text C...
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Here is a list of gemstones: PAINITE. SERENDIBITE. GRANDIDIERITE. POUDRETTEITE. MAJORITE. JEREMEJEVITE. TAAFFEITE. MUSGRAVITE. BENITOITE. Don't confuse rarity with price due to marketing
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Based on Mohs Hardness scale, Talc would have to be the softest mineral on earth. Impure varieties of talc are also called softstone because they feel slippery and greasy.
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