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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Beryl from
Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA


Locality type:Quarry
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:32874
Long-form Identifier:1:3:32874:8
GUID (UUID V4):0
Nearest other occurrences of Beryl
25.4km (15.8 miles) ⓘSwan's Falls locality, Fryeburg, Oxford County, Maine, USA
27.5km (17.1 miles) ⓘHam and Weeks Mine, Wakefield, Carroll County, New Hampshire, USA
29.7km (18.4 miles) ⓘHeath Quarry, Casco, Cumberland County, Maine, USA
33.8km (21.0 miles) ⓘFoster Hill prospect, Lovell, Oxford County, Maine, USA
34.0km (21.1 miles) ⓘBeryllium Corporation prospect, Lovell, Oxford County, Maine, USA
34.4km (21.4 miles) ⓘWhiteface Mountain, Wolfeboro, Carroll County, New Hampshire, USA
36.5km (22.7 miles) ⓘSabbatus Mountain prospects, Lovell, Oxford County, Maine, USA
37.2km (23.1 miles) ⓘCreeper Hill prospect, Stow, Oxford County, Maine, USA
38.2km (23.8 miles) ⓘSaunders Mica Quarry, Waterford, Oxford County, Maine, USA
38.8km (24.1 miles) ⓘSaunders-Wheeler Prospect, Waterford, Oxford County, Maine, USA
References
Rocks and Minerals (1999) 74:188,189
Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667
 
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