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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Prehnite from
Bellows Falls, Rockingham, Windham County, Vermont, USA


Locality type:Village
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Comments:mostly micro minerals
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Bellows Falls, Rockingham, Windham County, Vermont, USA
Data Identifiers
Mindat Occurrence Record ID:41298
Long-form Identifier:1:3:41298:6
GUID (UUID V4):0
Nearest other occurrences of Prehnite
4.7km (2.9 miles) ⓘRockingham, Windham County, Vermont, USA
15.2km (9.5 miles) ⓘUS highway 5 road cut, Putney, Windham County, Vermont, USA
41.0km (25.5 miles) ⓘVernon, Windham County, Vermont, USA
48.9km (30.4 miles) ⓘLane Quarry, Northfield, Franklin County, Massachusetts, USA
64.2km (39.9 miles) ⓘCheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin County, Massachusetts, USA
75.8km (47.1 miles) ⓘRoute 101/101A road cuts, Amherst, Hillsborough County, New Hampshire, USA
82.5km (51.2 miles) ⓘPelham Granite quarry (Ward Quarry; Valley Quarry), Pelham, Hampshire County, Massachusetts, USA
86.6km (53.8 miles) ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA
92.6km (57.6 miles) ⓘNotch Quarry (Lane Quarry; Amherst Quarry; Round Mountain Quarry), Amherst, Hampshire County, Massachusetts, USA
99.1km (61.6 miles) ⓘMount Tom Quarry, Mount Tom, Holyoke, Hampden County, Massachusetts, USA
References
Dana, James D. (1850) A System of Mineralogy (3rd ed.). G. P. Putnam. 711pp.p.313
 
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