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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Heliodor from
Pattuck Quarry, Alexandria, Grafton County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Beryl var: Heliodor
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heliodor data
Locality Data:Click here to view Pattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32389
Long-form Identifier:1:3:32389:5
GUID (UUID V4):0
Nearest other occurrences of Heliodor
11.6km (7.2 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
12.2km (7.6 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
15.5km (9.6 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
24.8km (15.4 miles) ⓘMcGinnis Mine (McGinnis Mica Mine; Wilcher and Pilsbury Mine), Wentworth, Grafton County, New Hampshire, USA
33.6km (20.9 miles) ⓘClement Mine, Warren, Grafton County, New Hampshire, USA
43.8km (27.2 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
60.6km (37.6 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
69.8km (43.3 miles) ⓘIsland Mine, Alstead, Cheshire County, New Hampshire, USA
References
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
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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