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Iron-bearing Magnesite from
Becker Quarry, Willington, Tolland County, Connecticut, USA


Locality type:Quarry
Classification
Species:Magnesite var: Iron-bearing Magnesite
Formula:(Mg,Fe)CO3
Formation:Primary
Comments:Crystals to several cm. Much more common than reported ankerite. Iron typically in the range of 0.05-0.30 apfu, though reportedly a few samples have outer rims grading to pure siderite.
Habit:rhombohedral
Colour:tan to light brown
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Data
Mineral Data:Click here to view Iron-bearing Magnesite data
Locality Data:Click here to view Becker Quarry, Willington, Tolland County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:97389
Long-form Identifier:1:3:97389:4
GUID (UUID V4):0
Nearest other occurrences of Iron-bearing Magnesite
74.6km (46.3 miles) ⓘChester Emery Mines, Chester, Hampden County, Massachusetts, USA
References
Ague, Jay J. (1995) Deep crustal growth of quartz, kyanite and garnet into large-aperture, fluid-filled fractures, north-eastern Connecticut, USA. Journal of Metamorphic Geology, 13 (2). 299-314
 
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