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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Bastnäsite-(Ce) from
Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA


05234520017367634513075.jpg
Bastnäsite-(Ce), etc.

Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
05234520017367634513075.jpg
Bastnäsite-(Ce), etc.

Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
08219160017272734572284.jpg
Bastnäsite-(Ce), etc.

Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
Classification
Species:Bastnäsite-(Ce)
Formula:Ce(CO3)F
Comments:Irregular thin plates, as much as two or three inches across and a half of an inch thick, are intimately associated with massive allanite, white to greenish plagioclase, pink to purple fluorite, chalcopyrite and pyrite. Some may be altered to gray lanthanite?
Habit:thin, irregular plates
Colour:brown, reddish-brown to yellowish-tan
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Allanite-(Ce)1
Data
Mineral Data:Click here to view Bastnäsite-(Ce) data
Locality Data:Click here to view Linkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:712657
Long-form Identifier:1:3:712657:4
GUID (UUID V4):0
Nearest other occurrences of Bastnäsite-(Ce)
59.9km (37.2 miles) ⓘRedstone Granite Quarry (Cherenzia Quarry), Westerly, Washington County, Rhode Island, USA
References
Schooner, Richard. (1958) THE MINERALOGY OF THE PORTLAND-EAST HAMPTON-MIDDLETOWN-HADDAM AREA IN CONNECTICUT (With a few notes on Glastonbury and Marlborough)
Schooner, Richard. (1961): THE MINERALOGY OF CONNECTICUT.
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569p.403
 
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