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Achroite from
Mount Mica Quarry (Mount Mica Mine), Paris, Oxford County, Maine, USA

Locality type:Quarry
Classification
Species:Tourmaline var: Achroite
Formula:A(D3)G6(T6O18)(BO3)3X3Z
Habit:Prismatic transparent flawless crystals; also as large zones in polychrome crystals.
Colour:Colorless, may grade to barely perceptible shades of pale pink or pale green.
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
References
References:King, V. T. and Foord, E. E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, USA, pp. 418 + 88 plates.
http://coromotominerals.com
Data
Mineral Data:Click here to view Achroite data
Locality Data:Click here to view Mount Mica Quarry (Mount Mica Mine), Paris, Oxford County, Maine, USA
Nearest other occurrences of Achroite
9.3km (5.8 miles) Mount Rubellite Quarries, Hebron, Oxford County, Maine, USA
36.3km (22.6 miles) Dunton Gem Quarry, Newry, Oxford County, Maine, USA
 
Mineral and/or Locality  
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