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Comments: Brown rectangular cordierite crystals in matrix. These crystals are not gemmy enough to be called iolite.
Location: Richmond Soapstone Quarry, Richmond, Cheshire Co., New Hampshire, USA.
Scale: 24x20x15 mm.
© John Betts - Fine Minerals
Comments: Piece of near-gem-quality glassy gray-blue cordierite with some yellowish internal reflections.
Location: Mt. Bity District, Madagascar.
Scale: Overall: 2 x 1 x 1.5 cm.
© Tom Loomis / Dakota Matrix