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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Smoky Quartz from
Rice Quarry, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Quartz var: Smoky Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smoky Quartz data
Locality Data:Click here to view Rice Quarry, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:317023
Long-form Identifier:1:3:317023:6
GUID (UUID V4):0
Nearest other occurrences of Smoky Quartz
0.9km (0.6 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
5.8km (3.6 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
9.5km (5.9 miles) ⓘWheat Mine, Rumney, Grafton County, New Hampshire, USA
10.1km (6.3 miles) ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA
11.0km (6.8 miles) ⓘMarston Quarry, Alexandria, Grafton County, New Hampshire, USA
11.5km (7.1 miles) ⓘEight-Ball Mica prospect, Rumney, Grafton County, New Hampshire, USA
13.3km (8.3 miles) ⓘWadhams-Tucker Quarry, Alexandria, Grafton County, New Hampshire, USA
14.4km (8.9 miles) ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA
14.9km (9.3 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
14.9km (9.3 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
References
Rocks & Min 80:252
Dallaire, Donald (2022) Beryllium Minerals in New Hampshire. Rocks & Minerals, 97 (3) 208-235 doi:10.1080/00357529.2022.2028096
 
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