Muscovite, Tourmaline

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A rare and strange pseudomorph specimen from the much less well-known Pack Rat Mine of San Diego County. Pearlescent muscovite blades have totally pseudomorphed a large tourmaline crystal. The pseudomorph is nicely attached to a shard of complimentary albite. It is a highly representative specimen of a rare pseudomorph. Older material from the Chuck Houser Collection.