Zinnwaldite, Fluorite, Opal (Var: Opal-AN)

This image has been released to the public domain and may be used freely.

Locality: Morefield Mine (Morefield Pegmatite), Winterham, Amelia Co., Virginia, USA

The face of a zinnwaldite mica book crystal (10x10x18 cm). Zinnwaldite is a Fe & Li mica in the mica series on the siderophyllite polylithionite join. It has a med. dark honey color when viewing through its sheets. The green fluorite (15x15 mm) mirrors the crystal shape of the mica as it runs through it and flouresces a bright green. The cream color opal var. hyalite forms between the sheets and glows a blueish white under UV. Collected dec/07 by MWylie, 60' level, photo by Shaun Mackey. donated to U of Richmond Museums

This photo has been shown 418 times

Photo added: 4th Mar 2008

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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