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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Hydroxylapatite from
Black Mountain Quarry, Rumford, Oxford County, Maine, USA


07851610017272018485568.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00491340017370400952273.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
07851610017272018485568.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00491340017370400952273.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
07851610017272018485568.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00491340017370400952273.jpg
Hydroxylapatite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Hydroxylapatite
Formula:Ca5(PO4)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydroxylapatite data
Locality Data:Click here to view Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28643
Long-form Identifier:1:3:28643:3
GUID (UUID V4):0
Nearest other occurrences of Hydroxylapatite
7.5km (4.6 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
7.6km (4.7 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
7.9km (4.9 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
28.2km (17.5 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
29.4km (18.3 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
32.2km (20.0 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
35.1km (21.8 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
35.2km (21.9 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
36.9km (22.9 miles) ⓘBennett Quarry, Buckfield, 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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