Tetranatrolite, Carltonite and Biotite    Poudrette Quarry, Mt. St-Hilaire, Québec, Canada.  Ex. Dr. Steve Chamberlain collection.  There are several lustrous, black, damage-free crystals of tetranatrolite on this piece.  Blue massive carltonite is on back of specimen.  2 x 1.7 x 1.5 cm.  Mounted in a perky box, as seen.  $60

Tetranatrolite and Mica

SKU: GD-0435

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    Geologic Desire. Est. 1994, on-line, 1996