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Potassiccarpholite: (K,Na,[ ])(Li,Mn++)2Al)4Si4O12(OH)4(F,OH)4
Comments: Tan prismatic crystal sprays of potassic-carpholite to about 2mm in matrix.
Location: Sawtooth Batholith, near Centerville, Boise Co., Idaho, USA.
Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix