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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Bertrandite from
Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA


06911470017368290741766.jpg
Bertrandite

Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
06911470017368290741766.jpg
Bertrandite

Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
00333730017368290775044.jpg
Bertrandite

Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
Locality type:Quarry
Classification
Species:Bertrandite
Formula:Be4(Si2O7)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bertrandite data
Locality Data:Click here to view Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32201
Long-form Identifier:1:3:32201:8
GUID (UUID V4):0
Nearest other occurrences of Bertrandite
6.4km (4.0 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
12.5km (7.8 miles) ⓘBeauregard Mine, Alstead, Cheshire County, New Hampshire, USA
51.7km (32.1 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
63.6km (39.5 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
71.3km (44.3 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
74.6km (46.3 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
88.6km (55.1 miles) ⓘChandler Mine, Raymond, Rockingham County, New Hampshire, USA
92.9km (57.7 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
96.4km (59.9 miles) ⓘQuabbin Aqueduct Shaft #2 locality, Holden, Worcester County, Massachusetts, USA
References
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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