Carpholite is a manganese silicate mineral with formula Mn2+Al2Si2O6(OH)4. It occurs as yellow clusters of slender prisms or needles. It crystallizes in the orthorhombic system. The carpholite group includes ferrocarpholite, magnesiocarpholite, vanadiocarpholite, and potassiccarpholite. ==Discovery and occurrence== It was first described in 1817 f...
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carpholite A fibrous mineral occurring in straw-yellow tufts. It is a hydrous aluminum manganese silicate.
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