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
Rosebrooks Gap localities, Bethlehem, Grafton County, New Hampshire, USA


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 Rosebrooks Gap localities, Bethlehem, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:51631
Long-form Identifier:1:3:51631:6
GUID (UUID V4):0
References
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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