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


Locality type:Quarry
Classification
Species:Hydroxylherderite
Formula:CaBe(PO4)(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydroxylherderite data
Locality Data:Click here to view Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28483
Long-form Identifier:1:3:28483:3
GUID (UUID V4):0
Nearest other occurrences of Hydroxylherderite
16.8km (10.5 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
19.6km (12.2 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
23.3km (14.5 miles) ⓘTiger Bill Quarries, Uncle Tom Mountain, Greenwood, 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) ⓘ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
31.9km (19.8 miles) ⓘCobble Hill Quarry (George Howe prospect), West Paris, Oxford County, Maine, USA
32.1km (20.0 miles) ⓘSki Pike Quarry, West Paris, Oxford County, Maine, USA
References
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
Leavens, Peter B., Dunn, Pete J., Gaines, Richard V. (1978) Compositional and refractive index variations of the herderite-hydroxyl-herderite series. American Mineralogist, 63 (9-10) 913-917
 
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