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


Locality type:Mine
Classification
Species:Topaz
Formula:Al2(SiO4)(F,OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Topaz data
Locality Data:Click here to view Charles Davis Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50382
Long-form Identifier:1:3:50382:6
GUID (UUID V4):0
Nearest other occurrences of Topaz
21.0km (13.1 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
49.8km (30.9 miles) ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA
63.6km (39.5 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
63.8km (39.6 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
64.6km (40.1 miles) ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA
82.8km (51.4 miles) ⓘSouth Baldface Mountain localities, Chatham, Carroll County, New Hampshire, USA
83.1km (51.6 miles) ⓘNorth Baldface Mountain localities, Bean's Purchase, Coos County, New Hampshire, USA
89.6km (55.7 miles) ⓘShell Pond Brook locality, Stow, Oxford County, Maine, USA
90.4km (56.2 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
98.4km (61.1 miles) ⓘShirley Brook Topaz locality, Stoneham, Oxford County, Maine, 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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