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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Bornite from
Lubec Lead Mine (Solomon Thayer Mine), Lubec, Washington County, Maine, USA


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Comments:Typical small masses of purple black iridescent bornite with brassy chalcopyrite in white quartz and green clinochlore.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Lubec Lead Mine (Solomon Thayer Mine), Lubec, Washington County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:31569
Long-form Identifier:1:3:31569:2
GUID (UUID V4):0
Nearest other occurrences of Bornite
18.9km (11.8 miles) ⓘBig Hill Mine, Pembroke, Washington County, Maine, USA
28.0km (17.4 miles) ⓘWheal Louisiana mine (Johnson mine; McLeans mine; Back Bay mine), Saint George Parish, Charlotte Co., New Brunswick, Canada
30.7km (19.1 miles) ⓘOliver Cameron mine, Saint George Parish, Charlotte Co., New Brunswick, Canada
69.7km (43.3 miles) ⓘMount Pleasant Mine, Saint George Parish, Charlotte Co., New Brunswick, Canada
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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