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


02387150017271923861090.jpg
Heterosite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
02784680017272013359751.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00235080017272013378076.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
03087550017272013385091.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00079470017362343864713.jpg
Heterosite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
02784680017272013359751.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00235080017272013378076.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
06783880017362343864850.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
02387150017271923861090.jpg
Heterosite, etc.

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
02784680017272013359751.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
00235080017272013378076.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
03087550017272013385091.jpg
Heterosite

Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Heterosite
Formula:Fe3+(PO4)
Comments:Parent triphylite of this locality has Mn/Mn + Fe = 0.42 (Moore, 2000).
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite1
Quartz1
Muscovite1
Data
Mineral Data:Click here to view Heterosite data
Locality Data:Click here to view Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:28641
Long-form Identifier:1:3:28641:5
GUID (UUID V4):0
Nearest other occurrences of Heterosite
0.8km (0.5 miles) ⓘBrown Thurston prospect, Rumford, Oxford County, Maine, USA
4.1km (2.5 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
7.3km (4.6 miles) ⓘFrank Perham prospect, Rumford, Oxford County, Maine, USA
7.5km (4.6 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
7.5km (4.7 miles) ⓘNevel Quarry, 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
8.0km (5.0 miles) ⓘWhitehall #1 Prospect, Newry, Oxford County, Maine, USA
16.1km (10.0 miles) ⓘLobikis Quarry, Peru, 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
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336
 
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