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Microcline from
Danburite type locality, Danbury, Fairfield County, Connecticut, USA

Classification
Species:Microcline
Formula:K(AlSi3O8)
Comments:In dolomite, intimately associated with oligoclase and with rare danburite. Not seen on specimens preserved at Yale Peabody Museum. A specimen labeled "orthoclase" was predominantly albite based on the abundance of polysynthetic twinning.
Habit:massive
Colour:white
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Smith, Lawrence J. and George J. Brush. (1853a): Reexamination of American Minerals, Part II. American Journal of Science: series 2, 16 (46): 44.
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Danburite type locality, Danbury, Fairfield County, Connecticut, USA
Nearest other occurrences of Microcline
1.7km (1.1 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
3.4km (2.1 miles) Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA
5.0km (3.1 miles) Agstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
7.1km (4.4 miles) Danbury beryl prospect, Brookfield, Fairfield County, Connecticut, USA
7.9km (4.9 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
8.0km (5.0 miles) Cook Quarry on Harry Wiley Farm, Newtown, Fairfield County, Connecticut, USA
9.4km (5.8 miles) Grace Feldspar Mine, Newtown, Fairfield County, Connecticut, USA
9.8km (6.1 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
11.4km (7.1 miles) Titicus Mica Quarry, Ridgefield, Fairfield County, Connecticut, USA
11.6km (7.2 miles) Captain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA
 
Mineral and/or Locality  
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