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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Staurolite from
Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA


09040080017271926775187.jpg
Staurolite, etc.

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
03078640017272022573511.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
03657200017272023706028.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
07029220017368336165233.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
09040080017271926775187.jpg
Staurolite, etc.

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
06902150017272022523822.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
01060370017272022557601.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
01707740017272022569353.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
05131640017272023721376.jpg
Staurolite, etc.

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
03078640017272022573511.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
09457170017272023796996.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
01707740017272022569353.jpg
Staurolite

Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
Locality type:Occurrence
Classification
Species:Staurolite
Formula:Fe22+Al9Si4O23(OH)
Comments:Vitreous smooth-faced staurilte crystals, uncommonly with St. Andrews twins and rarely with Maltese Cross twins to 10 x 5 cm.
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Almandine1
Data
Mineral Data:Click here to view Staurolite data
Locality Data:Click here to view Cook Road Staurolite locality, Windham, Cumberland County, Maine, USA
Photo GalleryView Gallery (24 photos)
Data Identifiers
Mindat Occurrence Record ID:36762
Long-form Identifier:1:3:36762:2
GUID (UUID V4):0
Nearest other occurrences of Staurolite
2.2km (1.4 miles) ⓘDundee Falls Kyanite locality, Gorham, Cumberland County, Maine, USA
3.0km (1.9 miles) ⓘGambo Falls Staurolite locality, Gorham, Cumberland County, Maine, USA
69.7km (43.3 miles) ⓘTowle "Gold" mine, Winthrop, Kennebec County, Maine, USA
90.9km (56.5 miles) ⓘPuzzle Mountain, Newry, Oxford County, Maine, USA
99.7km (62.0 miles) ⓘFlint Hill, Raymond, Rockingham County, New Hampshire, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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