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About PrasioliteHide

A variety of Quartz

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

Not to be confused with prasolite!

Visit gemdat.org for gemological information about Prasiolite.

Pronounciation of PrasioliteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of PrasioliteHide

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

Chemical Properties of PrasioliteHide


Other Language Names for PrasioliteHide


Common AssociatesHide

Associated Minerals Based on Photo Data:
Agate4 photos of Prasiolite associated with Agate on mindat.org.
Amethyst2 photos of Prasiolite associated with Amethyst on mindat.org.

Other InformationHide

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 PrasioliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Hebert, L.H., Rossman, G.R. (2008) Greenish quartz from the thunder bay amethyst mine panorama, thunder bay, Ontario, Canada. The Canadian Mineralogist: 46(1): 111-124.
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 PrasioliteHide

Localities for PrasioliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Ontario
Hebert, L.H., Rossman, G.R. (2008) Greenish quartz from the thunder bay amethyst mine panorama, thunder bay, Ontario, Canada. The Canadian Mineralogist: 46(1): 111-124.
  • Lower Silesian Voivodeship
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.
    • Złotoryja Co.
      • Gmina Świerzawa
  • England
    • Somerset
      • North Somerset
        • Banwell
Paul Render
Mineral and/or Locality  
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