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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Quartz from
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA


08054530017272036751706.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
08906840017368352357593.jpg
Quartz

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
01065660017272010131033.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
05974300017272010145083.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
03972870017367927011408.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
05071440017362035394605.jpg
Quartz

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
08493020017367927056317.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
09156960017367927066828.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
08054530017272036751706.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
06127560017368352362369.jpg
Quartz

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
01065660017272010131033.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
05974300017272010145083.jpg
Smoky Quartz, etc.

Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Uraninite6
Vandendriesscheite5
Zircon5
Parauranophane4
Albite4
Meta-autunite4
Microcline3
Phosphuranylite2
Muscovite2
Feldspar Group1
Gummite1
Autunite1
Soddyite1
Almandine1
Schoepite1
Paulscherrerite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:29547
Long-form Identifier:1:3:29547:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
6.0km (3.8 miles) ⓘHoyt Hill Quarry, Orange, Grafton County, New Hampshire, USA
6.5km (4.0 miles) ⓘAaron's Ledge Mine, Springfield, Sullivan County, New Hampshire, USA
7.8km (4.8 miles) ⓘMelvin Mountain, Grafton, Grafton County, New Hampshire, USA
8.2km (5.1 miles) ⓘStandard Mine, Orange, Grafton County, New Hampshire, USA
8.5km (5.3 miles) ⓘGeorge Hill, Springfield, Sullivan County, New Hampshire, USA
10.6km (6.6 miles) ⓘFord Garnet Mine, Danbury, Merrimack County, New Hampshire, USA
11.6km (7.2 miles) ⓘNo. 5 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
11.9km (7.4 miles) ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA
12.0km (7.4 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
12.0km (7.4 miles) ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
References
Morrill, P., 1960, New Hampshire Mines and Mineral Localities.
Korzeb, Stanley L.
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
Korzeb, Stanley L., Foord, Eugene E., Lichte, Frederick E. (1997) The chemical evolution and paragenesis of uranium minerals from the Ruggles and Palermo granitic pegmatites, New Hampshire. The Canadian Mineralogist: 35(1): 135-144.
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
 
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