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


Locality type:Quarry
Classification
Species:Montebrasite
Formula:LiAl(PO4)(OH)
Comments:Listed by Thompson et al., 1998, but no specimens known.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Montebrasite data
Locality Data:Click here to view Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28487
Long-form Identifier:1:3:28487:9
GUID (UUID V4):0
Nearest other occurrences of Montebrasite
2.7km (1.7 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
23.4km (14.5 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
25.7km (16.0 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
25.8km (16.0 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
25.9km (16.1 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
26.1km (16.2 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
38.6km (24.0 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
39.4km (24.5 miles) ⓘPlumbago North Pegmatite, Newry, Oxford County, Maine, USA
39.5km (24.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
39.8km (24.7 miles) ⓘKinglet Prospect, Newry, Oxford County, Maine, USA
References
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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