Prasiolite
A variety of Quartz
This page is currently not sponsored. Click here to sponsor this page.
About Prasiolite
Formula:
SiO2
Colour:
green
Lustre:
Vitreous
A green transparent variety of macrocrystalline quartz. Compare with prase and plasma.
Most prasiolite is artificially produced by heating amethyst or irradiating colourless quartz. Many authors had doubts that prasiolite is a natural quartz variety, but there is an increasing number of reports of natural occurrences. See http://www.quartzpage.de/prasiolite.html
Not to be confused with prasolite!
Visit gemdat.org for gemological information about Prasiolite.
Most prasiolite is artificially produced by heating amethyst or irradiating colourless quartz. Many authors had doubts that prasiolite is a natural quartz variety, but there is an increasing number of reports of natural occurrences. See http://www.quartzpage.de/prasiolite.html
Not to be confused with prasolite!
Visit gemdat.org for gemological information about Prasiolite.Unique Identifiers
Mindat ID:
40112 (as Prasiolite)
3337 (as Quartz)
3337 (as Quartz)
Long-form identifier:
mindat:1:1:40112:6 (as Prasiolite)
mindat:1:1:3337:0 (as Quartz)
mindat:1:1:3337:0 (as Quartz)
Similar Names
| Praseolite | A mixture of two or more distinct mineral species |
| Prasolite | A variety of Chlorite Group |
Pronunciation of Prasiolite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Prasiolite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Green
Comment:
At least some prasiolite is dichroic (blue-green / olive-green)
Chemistry of Prasiolite
Mindat Formula:
SiO2
Elements listed:
Other Language Names for Prasiolite
Afrikaans:Prasiolite
German:Prasiolith
Common Associates
Associations Based on Photo Data:
| 4 photos of Prasiolite associated with 'Agate' | SiO2 |
| 2 photos of Prasiolite associated with 'Amethyst' | SiO2 |
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.
Internet Links for Prasiolite
mindat.org URL:
https://www.mindat.org/min-40112.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Prasiolite
Reference List:
Nassau, Kurt, Prescott, Betty E. (1977) A unique green quartz. American Mineralogist, 62 (5-6) 589-590
Paradise, Thomas R. (1982) The Natural Formation and Occurrence of Green Quartz. Gems & Gemology, 18 (1) 39-42 doi:10.5741/gems.18.1.39
Localities for Prasiolite
Showing 10 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| Hebert et al. (2008) |
Namibia | |
| Niedermayr (2006) |
Poland | |
| Roth (1867) |
| Lwoweckie Lato Agatowe exhibition 2010 +1 other reference |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| www.spiriferminerals.com (2014) |
South Africa | |
| Ella Masciulli Collection |
Uruguay | |
| Arduin-Rode et al. (2024) |
Płóczki Górne agate field, Płóczki Górne, Gmina Lwówek Śląski, Lwówek Śląski County, Lower Silesian Voivodeship, Poland