Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Thomsenolite from
Morefield Mine (Morefield pegmatite), Winterham, Amelia County, Virginia, USA


Locality type:Mine
Classification
Species:Thomsenolite
Formula:NaCa[AlF6] · H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cryolite6
Hydrokenoralstonite6
Prosopite6
Elpasolite6
Microcline6
- var Amazonite6
Data
Mineral Data:Click here to view Thomsenolite data
Locality Data:Click here to view Morefield Mine (Morefield pegmatite), Winterham, Amelia County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:10985
Long-form Identifier:1:3:10985:1
GUID (UUID V4):0
References
Kearns, Lance E. (1995) Alumino-Fluorides from the Morefield Pegmatite, Amelia County, Virginia. The Mineralogical Record, 26 (6) 551-556
Richards, R.P., Kearns, L.E., Cook, W.R. (1998) Morphology of chiolite twins from the Morefield mine, Amelia County, Virginia. The Canadian Mineralogist: 36: 1009-1015.
 
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