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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Goyazite from
Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Goyazite
Formula:SrAl3(PO4)(PO3OH)(OH)6
Comments:Originally the type locality for hamlinite, but was redefined as goyazite.
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Bertrandite
Fluorapatite
Data
Mineral Data:Click here to view Goyazite data
Locality Data:Click here to view Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28478
Long-form Identifier:1:3:28478:1
GUID (UUID V4):0
Nearest other occurrences of Goyazite
23.4km (14.5 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
25.8km (16.0 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
38.6km (24.0 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
39.9km (24.8 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
40.1km (24.9 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
42.6km (26.5 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
45.2km (28.1 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
47.0km (29.2 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
90.4km (56.2 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
91.5km (56.9 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
References
Hidden, W.E. and Penfield, S.L. (1890) On Hamlinite a new rhombohedral mineral from the Herderite Locality at Stoneham, Maine. American Journal of Science, 3rd Series, 39, 511-513.
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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