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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Cookeite from
Tamminen Quarry, Greenwood, Oxford County, Maine, USA


07696470017272014211521.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
08672450017272013529906.jpg
Cookeite

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
09812250017736863576486.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
05747200017272013543427.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
07696470017272014211521.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
03464850017736863586801.jpg
Cookeite

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
00098450017735237692532.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
05513240017736863585563.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
07696470017272014211521.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
04243470017272013587379.jpg
Cookeite

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
09812250017736863576486.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
05747200017272013543427.jpg
Cookeite, etc.

Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Cookeite
Formula:(LiAl4◻)[AlSi3O10](OH)8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz17
- var Pseudocubic Quartz2
- var Milky Quartz2
Albite4
- var Zygadite2
- var Cleavelandite2
Elbaite2
Schorl1
Data
Mineral Data:Click here to view Cookeite data
Locality Data:Click here to view Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Photo GalleryView Gallery (15 photos)
Data Identifiers
Mindat Occurrence Record ID:28428
Long-form Identifier:1:3:28428:6
GUID (UUID V4):0
Nearest other occurrences of Cookeite
0.1km (0.1 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
1.2km (0.8 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
2.0km (1.2 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
6.5km (4.0 miles) ⓘSki Pike Quarry, West Paris, Oxford County, Maine, USA
11.6km (7.2 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
13.4km (8.3 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
References
Mineral News (1993) 9:2 p. 8
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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