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
Coppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Coppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:52646
Long-form Identifier:1:3:52646:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
6.4km (4.0 miles) ⓘCooley Hill Iron prospects, Easton, Grafton County, New Hampshire, USA
6.8km (4.2 miles) ⓘGarnet Hill locality, Sugar Hill, Grafton County, New Hampshire, USA
8.6km (5.3 miles) ⓘNorthey Hill locality(s), Sugar Hill, Grafton County, New Hampshire, USA
10.0km (6.2 miles) ⓘPond Hill locality, Lisbon, Grafton County, New Hampshire, USA
10.5km (6.5 miles) ⓘCobble Hill Summit locality, Landaff, Grafton County, New Hampshire, USA
16.9km (10.5 miles) ⓘLittleton Hospital construction site, Littleton, Grafton County, New Hampshire, USA
17.1km (10.6 miles) ⓘMount Guyot locality, Lincoln, Grafton County, New Hampshire, USA
17.5km (10.9 miles) ⓘMount Bond locality, Lincoln, Grafton County, New Hampshire, USA
18.0km (11.2 miles) ⓘBlack Mountain, Benton, Grafton County, New Hampshire, USA
18.0km (11.2 miles) ⓘBlack Mountain, Haverhill, Grafton County, New Hampshire, USA
References
 
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