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D571 - Laumontite on Tanzanite $ AT-AUCTION Merelani Hills, Arusha, Tanzania small cabinet - 6.8 x 3 x 3 cm Tall, elongated crystals of Tanzanite with Laumontite attached to the backside. Good deep blue color, this crystal was likely heated. A 6.8cm Tanzanite is not common and is considered a good-sized, large crystal. Valued at $1000. ©2010-2018 Marin Mineral |