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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Schorl from
Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA


00725470017363313743774.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
08737680017272028149953.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
04700110017363313748773.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
08325700017363313749041.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
00725470017363313743774.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
01093930017363313754263.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
04700110017363313748773.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
08325700017363313749041.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
04324470017363313758188.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
08737680017272028149953.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
06591320017363313754736.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
09227870017363313756692.jpg
Schorl, etc.

Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz12
Muscovite12
Fluorapatite8
Feldspar Group6
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:51154
Long-form Identifier:1:3:51154:2
GUID (UUID V4):0
Nearest other occurrences of Schorl
1.3km (0.8 miles) ⓘNichols Quarry, Gilsum, Cheshire County, New Hampshire, USA
2.0km (1.2 miles) ⓘBeauregard Mine, Alstead, Cheshire County, New Hampshire, USA
2.2km (1.4 miles) ⓘFrench Mine, Alstead, Cheshire County, New Hampshire, USA
2.2km (1.4 miles) ⓘWhite Quarry, Gilsum, Cheshire County, New Hampshire, USA
2.3km (1.5 miles) ⓘIsland Mine, Alstead, Cheshire County, New Hampshire, USA
2.4km (1.5 miles) ⓘBlister Mine, Alstead, Cheshire County, New Hampshire, USA
2.5km (1.6 miles) ⓘBurroughs beryl prospect, Alstead, Cheshire County, New Hampshire, USA
2.8km (1.7 miles) ⓘKirk No. 1 Quarry, Gilsum, Cheshire County, New Hampshire, USA
3.7km (2.3 miles) ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA
4.3km (2.7 miles) ⓘSurry Mountain Quarry, Gilsum, Cheshire County, New Hampshire, USA
References
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
 
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