Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahderal. A transitional member on the Siderophyllite-Polylitionite join.
Just a small specimen.
More on rare mica minerals
Data courtesy of Webmineral.
All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map
Please enable it in your browser's preferences, should you need assistance, follow this link for help enabling javascript in your browser.