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Prasiolite

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Colour:
green
A variety of Quartz

A green variety of macrocrystalline quartz. Compare with prase and plasma.

Not to be confused with prasolite!

Visit gemdat.org for gemological information about Prasiolite.

Classification of Prasiolite

mindat.org URL:
http://www.mindat.org/min-40112.html
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Physical Properties of Prasiolite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
green
Comment:
At least some prasiolite is dichroic (blue-green / olive-green)

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Prasiolite

Reference List:
Nassau, K. (1977) A unique green quartz. American Mineralogist, 62, 589-590.

Paradise, T.R. (1982) The natural formation and occurrence of green quartz. Gems and Gemmology, 18, 39-42.

Hebert, L.B. (2008) Development of color in greenish quartz. Dissertation, California Institute of Technology. 2nd part of a Thesis (Dissertation), California Institute of Technology.

Lameiras, F.S., Nunes, E.H.M., Vasconcelos, W.L. (2009) Infrared and Chemical Characterization of Natural Amethysts and Prasiolites Colored by Irradiation. Materials Research, 12(3), 315-320.

Internet Links for Prasiolite

Localities for Prasiolite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Kaczawskie Mts
      • Nowy Kościół
http://www.spiriferminerals.com/163,New-prasiolite-find--Poland.html
Lwoweckie Lato Agatowe exhibition 2010; Praszkier, T., Bogdanski, J. & Siuda, R. (2011): Agates from Płóczki Górne, Lower Silesia, Poland. Warszawa 2011,Published by Spirifer Geological Society. 200p.
UK
 
  • England
    • Somerset
      • Banwell
Paul Render
Mineral and/or Locality  
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