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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Meionite from
Tamminen Quarry, Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Meionite
Formula:Ca4Al6Si6O24CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Meionite data
Locality Data:Click here to view Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28441
Long-form Identifier:1:3:28441:7
GUID (UUID V4):0
Nearest other occurrences of Meionite
0.8km (0.5 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
29.5km (18.3 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
31.8km (19.8 miles) ⓘPitts-Tenney Quarry, Minot, Androscoggin County, Maine, USA
47.1km (29.3 miles) ⓘRobinson Mountain, Lewiston, Androscoggin County, Maine, USA
58.3km (36.2 miles) ⓘBerry Ledge, Cornish, York County, Maine, USA
58.6km (36.4 miles) ⓘFarmington Falls Road Cut (Route 2), Farmington, Franklin County, Maine, USA
60.9km (37.9 miles) ⓘDay Hill, Cornish, York County, Maine, USA
62.7km (39.0 miles) ⓘParsonsfield Vesuvianite locality, Parsonsfield, York County, Maine, USA
72.7km (45.2 miles) ⓘTwin Mountain Quarry, Carroll, Coos County, New Hampshire, USA
82.7km (51.4 miles) ⓘBasin Quarry, Phippsburg, Sagadahoc County, Maine, USA
References
W. B. Thompson, D. L. Joyner, R. G. Woodman, and V. T. King (2005) A Collector's Guide to Maine Mineral Localities. Maine Geological Survey Bulletin 41
 
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