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Article: Nifontovite from Charcas, San Luis Potosi, Mexico.
- Article from:
- The Mineralogical Record
- Article date:
- July 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 The Mineralogical, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Extraordinary crystals of the rare hydroxy-hydrated borate mineral, nifontovite, previously known only as tiny grains, have been discovered at Charcas, San Luis Potosi, Mexico. Two specimens have been recorded from this locality, but the location of only one specimen is currently known. This specimen is probably the world's finest nifontovite.
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INTRODUCTION
Nifontovite is a hydrated calcium borate mineral, [Ca.sub.3][B.sub.6][O.sub.6](OH)[.sub.12]([H.sub.2]O)[.sub.2], first described from the Novofrolovo mine in the Turinsk ore deposit, Central Ural Mountains, Russia (Malinko and Lisitsyn, 1961), where it occurs in a skarn associated ...
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Article: TULSA TO HOST GUESTS FROM SAN LUIS POTOSI, ...
US Fed News Service, Including US State News;
November 3, 2006 ;
438 words
... ... A delegation from Tulsa's Sister City San Luis Potosi, Mexico, arrives in Tulsa November 9 ... long-term relationship between Tulsa and San Luis Potosi. * They will be assisting the San Luis Potosi booth at Kids' World International Festival ...
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