SYMPOSIA PAPER Published: 20 December 2021
STP163220200070

Overview of the Geology of Cosmetic Talc Formation and Morphology of Amphiboles

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Two cosmetic talc districts located in Val Chisone and Southern Vermont will be described regarding geologic formation and accessory mineral assemblages. Cosmetic talc is currently defined as having 98% or greater talc content. While uncommon in cosmetic talc ore, amphibole minerals, such as tremolite, may be found in rock assemblages adjacent to the talc. Classification of amphibole morphological features will be described for two categories: asbestiform and nonasbestiform.

Author Information

Segrave, Alan, M.
Segrave Technical Consulting, LLC, Marietta, GA, US
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Details
Pages: 362–373
DOI: 10.1520/STP163220200070
ISBN-EB: 978-0-8031-7711-6
ISBN-13: 978-0-8031-7710-9