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


Locality type:Quarry
Classification
Species:Heterosite
Formula:Fe3+(PO4)
Comments:Entered in the reference cited without cross-author vetting. Probably incorrect.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Heterosite data
Locality Data:Click here to view Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28479
Long-form Identifier:1:3:28479:0
GUID (UUID V4):0
Nearest other occurrences of Heterosite
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
25.9km (16.1 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
26.8km (16.6 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
38.6km (24.0 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
39.5km (24.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
39.8km (24.7 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
39.9km (24.8 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
40.0km (24.8 miles) ⓘWhitehall #1 Prospect, Newry, Oxford County, Maine, USA
40.0km (24.9 miles) ⓘCrooker Gem Pegmatite Quarries, 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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