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Genthelvite-Helvite Series

Big Photo

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada
© D. Richerson

System:Isometric
A series between Genthelvite and Helvite
Series Formula:
Zn
 
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
-
Mn
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]

Classification of Genthelvite-Helvite Series

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Crystallography of Genthelvite-Helvite Series

Crystal System:Isometric

Optical Data of Genthelvite-Helvite Series

Type:Isotropic

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.

Articles/Blogs about Genthelvite-Helvite Series

Internet Links for Genthelvite-Helvite Series

Search Engines:
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    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Fabre Minerals - search for Genthelvite-Helvite Series specimens
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Buy from David K Joyce minerals
  • Buy Minerals and Crystals from Crystalarium.com
  • High-end worldwide specimens & outstanding customer service
  • Buy fine minerals and gemstones from Pala International
  • Find Genthelvite-Helvite Series on www.crystalclassics.co.uk
  • Fine Minerals from Dan Weinrich Minerals
  • Buy minerals from Mineralium.com
  • Search for - Genthelvite-Helvite Series - on e-Rocks Mineral Sales & Auctions
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    Localities for Genthelvite-Helvite Series

    (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.
    Sweden
     
    • Södermanland
      • Nynäshamn
    		GFF 113, pp.183-184
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.