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Nuummite

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Name:
The name Nuummite which means "derived from Nuuk" in Greenlandic was given to the rock type which was found near Nuuk, by the town council of Nuuk. The government granted the company Nuummite Nuuk A/S, wholly owned by Nuuk commune an exploration concession for Nuumite in the Nuuk area, as well as permission to manufacture and sell Nummite jewelry. The company is based in Nuuk.
A Mixture Of:
An unapproved name for a metamorphic rock with iridescent amphiboles (Anthophyllite-Gedrite Series), the material is sometimes cut and polished as a gemstone.

Found in eight localities within 50 km of Nuuk, Greenland.


Visit gemdat.org for gemological information about Nuummite.

Classification of Nuummite

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Other Names for Nuummite

Name in Other Languages:

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.

References for Nuummite

Reference List:
Appel, Uitterdijk Peter W. & Jensen Aage, A new gem material from Greenland: Iridescent orthoamphibole. Gems and Gemology 1987, XXIII p.36-42.

http://www.minershop.com/html/nuummit_mindata.html

Internet Links for Nuummite

Localities for Nuummite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Finland
 
  • Northern Finland Region
    • Paltamo
Risto Vartiainen (1993), Geological Survey of Finland publication M06/3432/-93/1/43, 1993, Espoo, Finland.
Greenland
 
  • Sermersooq
Arthur Thomas, Gemstones (2009), p. 187
Uitterdijk Appel, P.W. & Jensen, A. (1987): A new gem material from Greenland: Iridescent orthoamphibole. Gems & Mineralogy. Spring 1987, 36-42
Mineral and/or Locality  
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