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
Chandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Beryl var: Heliodor
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Heliodor data
Locality Data:Click here to view Chandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32287
Long-form Identifier:1:3:32287:8
GUID (UUID V4):0
Nearest other occurrences of Heliodor
19.9km (12.4 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
31.7km (19.7 miles) ⓘIsland Mine, Alstead, Cheshire County, New Hampshire, USA
32.2km (20.0 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
33.4km (20.8 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
34.0km (21.1 miles) ⓘKirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
43.8km (27.2 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
44.8km (27.9 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
52.5km (32.6 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
52.6km (32.7 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
54.0km (33.5 miles) ⓘCharles Davis Mine, Groton, Grafton 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
 
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