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Pertsevite-(F)
Pertsevite-(F) from Potter Pass, Fresno Co., California, United States

- Special Info
- XRD Confirmed
Pale green glassy grains of Pertsevite-(F) associated with fibrous Chestermanite. The specimen was acquired by Forest Cureton (of Curetonite fame) from R. Erd of the USGS in 1993 as "Type material of Grigoryerite". Erd never completed the description. Dr. A. Kampf worked on the material and found it to be Pertsevite-(F).
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