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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Strunzite from
Charles Davis Mine, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Strunzite
Formula:Mn2+Fe23+(PO4)2(OH)2 · 6H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Strunzite data
Locality Data:Click here to view Charles Davis Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:317007
Long-form Identifier:1:3:317007:6
GUID (UUID V4):0
Nearest other occurrences of Strunzite
1.4km (0.9 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
4.5km (2.8 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
9.1km (5.7 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
53.9km (33.5 miles) ⓘGeorge Frank Smith Quarry, Newport, Sullivan County, New Hampshire, USA
54.0km (33.5 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
75.9km (47.1 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
78.4km (48.7 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
85.5km (53.1 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
References
Rocks & Min. 80:251
 
and/or  
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