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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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Diadochite from
Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA


03325310017364187504433.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
07603950017364187503172.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
05264940017272016407318.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
02143010017272014376293.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
05686080017272016446841.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
02143010017272014376293.jpg
Diadochite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Diadochite
Formula:Fe23+(PO4)(SO4)(OH) · 6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Purpurite2
Dickinsonite-(KMnNa)2
Frondelite1
Quartz1
- var Smoky Quartz1
Albite1
Mitridatite1
Data
Mineral Data:Click here to view Diadochite data
Locality Data:Click here to view Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:28537
Long-form Identifier:1:3:28537:3
GUID (UUID V4):0
Nearest other occurrences of Diadochite
18.4km (11.4 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
22.1km (13.7 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
24.5km (15.2 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
24.7km (15.3 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
24.7km (15.3 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
25.6km (15.9 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
27.4km (17.1 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
41.5km (25.8 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
41.5km (25.8 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
52.3km (32.5 miles) ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland 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
Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021
 
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