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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Kasolite from
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Kasolite
Formula:Pb(UO2)(SiO4) · H2O
Comments:"At the Ruggles pegmatite, kasolite occurs both as a thin outer crust about the orange gummite pseudomorphs for which the locality is noted and as complete pseudomorphs of a rather pourous consistency."
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kasolite data
Locality Data:Click here to view Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:29557
Long-form Identifier:1:3:29557:4
GUID (UUID V4):0
References
Frondel, Clifford (1956) Mineral composition of gummite. American Mineralogist, 41 (7-8) 539-568
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
 
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