Gem-quality yellow-green haüyne from Oldoinyo Lengai Volcano, Northern Tanzania

Gems and Gemology

Volumn 45, Issue 3, 2009, Pages 200-203

  Zaitsev, Anatoly ^a   Zaitseva, Olga ^a   Buyko, Alexander ^b   Keller, Jörg ^c   Klaudius, Jurgis ^d   Zolotarev, Andrei ^a  

^a ST PETERSBURG STATE UNIVERSITY   (Russian Federation)

^b Piterskiy Gem Co   (United States)

^c UNIVERSITY OF FREIBURG   (Germany)

^d Terratec Geoservices   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 70349823695     PISSN: 0016626X     EISSN: None     Source Type: Journal    
DOI: 10.5741/GEMS.45.3.200     Document Type: Article

References (10)

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2. Buhl J.-C, Löns J. (1996) Synthesis and crystal structure of nitrate enclathrated sodalite Na8[A1SiO4]6(NO3)2. Journal of Alloys and Compounds, Vol.235, pp. 41-47.
3. Dawson J.B. (1962) The geology of Oldoinyo Lengai. Bulletin Volcanologique, Vol.24, No.1, pp. 349-387.
4. Deer W.A., Howie R.A., Zussman J., Wise W.S. (2004) Rock-Forming Minerals-Framework Silicates, 2nd ed., Vol.4B. Geological Society, London, 982 pp.
5. Di Muro A., Bonaccorsi E., Principe C. (2004) Complex colour and chemical zoning of sodalite-group phases in a haüynophyre lava from Mt. Vulture, Italy. Mineralogical Magazine, Vol.68, No.4, pp. 591-614.
6. Grobon C, Hainschwang T. (2006) Gem News International: Massive haüyne-sodalite from Myanmar. G&G, Vol.42, No.1, pp. 64-65.
7. Keller J., Krafft M. (1990) Effusive natrocarbonatite activity of Oldoinyo Lengai, June 1988. Bulletin of Volcanology, Vol.52, No.8, pp. 629-645.
8. Kiefert L., Hänni HA. (2000) Gem-quality haüyne from the Eifel district, Germany. G&G, Vol.36, No.3, pp. 246-253.
9. Mitchell R.H., Dawson J.B. (2007) The 24th September 2007 ash eruption of the carbonatite volcano Oldoinyo Lengai, Tanzania: Mineralogy of the ash and implications for formation of a new hybrid magma type. Mineralogical Magazine, Vol. 71, No. 5, pp. 483-492..
10. Roberts W.L., Campbell T.J., Rapp G.R. Jr. (1990) Encyclopedia of Minerals, 2nd ed. Van Nostrand Reinhold, New York.