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Lechatelierite from
York, York Co., Pennsylvania, USA

Comments:Excerpt from Pasek, M.A., Block, K. & Pasek, V. (2012): Fulgurite morphology: a classification scheme and clues to formation.

"Two fulgurites, both from York County, Pennsylvania, USA, showed the reduction of iron to iron metal with an assortment of Fe–Ti and Si–P compounds with stoichiometry that ranges from nearly pure Fe metal to FeSi. These metal silicides include stoichiometric Fe3Si, Fe2Si, and Fe5Si3, and possibly Fe8Si3 and Fe7Si3, and provide a terrestrial source for these phases, which are typically associated with extraterrestrial material."
Validity:Believed Valid
References:Pasek, M.A., Block, K. & Pasek, V. (2012): Fulgurite morphology: a classification scheme and clues to formation. Contributions to Mineralogy and Petrology, 164, 477-492.
Mineral Data:Click here to view Lechatelierite data
Locality Data:Click here to view York, York Co., Pennsylvania, USA
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