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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. Currently in public beta-test.

Classification of Prasiolite

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Physical Properties of Prasiolite

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

Other Information

Health Warning: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

Search Engines:
  • Look for Prasiolite on Google
  • Look for Prasiolite images on Google
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
  • Fine and rare minerals from mintreasure.com
  • rare and unusual minerals mainly crystallized
  • Fine Minerals from Weinrich Minerals, Inc.
  • Search for Prasiolite on Well-Arranged Molecules
  • Buy fine minerals and gemstones from Pala International
  • Wilensky Fine Minerals
  • Find Prasiolite on www.crystalclassics.co.uk
  • Fine minerals from bisbeeborn.com
  • Buy minerals from YourMineralCollection
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy rare minerals from Excalibur Minerals
  • Localities for Prasiolite

    The 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. ? 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.
    • Lower Silesia (Dolnośląskie)
      • Kaczawskie Mts
    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.
    • England
      • Somerset
        • Banwell
    Paul Render
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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