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 Home / Gem Library / Natural Gemstones / Pargasite May 29, 2023  

Natural Pargasite
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There are 6 Pargasite(s) available at

Pargasite is a monoclinic mineral and member of the Amphibole group which includes many related minerals. It is named after the Pargas Valley in Finland where it was originally discovered. Pargasite is transparent to translucent and is most commonly found as lime-green or brown in color. With a hardness of 5-6 to it could theoretically be used as a gemstone but because of its perfect cleavage, it is nearly impossible to facet. A soft and patient touch is required and most cutters would rather not deal with it at all. It is closely related to actinolite and only advanced gemological testing will separate the two.

Known Facts
Color Key: greenish yellow, emerald green, greenish blue, brown
Refractive Index: 1.630 - 1.650
Chemical Composition: NaCa2(Mg,Fe++)4Al(Si6Al2)O22(OH)
Hardness: 5 - 6
Density: 3.12
Crystal Group: Monoclinic
Ocurrence: Sri Lanka, Tanzania, Baffin Island, Canada; Burma, Pargas Valley, Finland; Franklin N.J., Vietnam, Pakistan, Canada, and USA.

Pargasite is considered to be a rare mineral and is found sparingly in deposits occurring in Finland, Vietnam, Pakistan, Burma, USA, Canada, Vietnam, and Tanzania.

Pargasite Pargasite
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Pargasite Stats/
Popularity Index: 369360hits
Total Items: 6items
Total Weight: CTS 38.83
Cheapest: USD 90.00
Most Expensive: USD 886.50
Largest: CTS 18.16
Smallest: CTS 3.02
Last Added: 01/25/22 07:07:20

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