Mindat Logo

Nyerereite

Sponsorship for this page has expired!



Formula:
Na
 
2
Ca(CO
 
3
)
 
2
System:OrthorhombicColour:Colourless

Classification of Nyerereite

IMA status:Approved
Strunz 8th edition ID:5/B.05-20
Nickel-Strunz 10th (pending) edition ID:5.AC.10

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
C : Alkali and alkali-earth carbonates
Dana 8th edition ID:14.3.4.1

14 : ANHYDROUS NORMAL CARBONATES
3 : A2B(XO3)2
Hey's CIM Ref.:11.1.10

11 : Carbonates
1 : Carbonates of the alkali metals and ammonium
mindat.org URL:http://www.mindat.org/min-2945.html
Please feel free to link to this page.

Type Occurrence of Nyerereite

Type Locality:Mt Oldoinyo Lengai (Ol Doinyo Lengai), Arusha Region, Tanzania
Year of Discovery:1963

Physical Properties of Nyerereite

Diaphaneity (Transparency):Transparent
Colour:Colourless
Density (measured):2.41 g/cm3

Crystallography of Nyerereite

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Space Group:Cmc21
Cell Parameters:a = 5.04Å, b = 8.8Å, c = 12.74Å
Ratio:a:b:c = 0.573 : 1 : 1.448
Unit Cell Volume:V 565.04 ų (Calculated from Unit Cell)
Z:4
Morphology:Platy crystals to 0.5 mm.
Twinning:Always twinned.

Optical Data of Nyerereite

Type:Biaxial (-)
RI values: nα = 1.511 nβ = 1.533 nγ = 1.535
2V:Measured: 29° , Calculated: 28°
Maximum Birefringence:δ = 0.023

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:strong

Chemical Properties of Nyerereite

Formula:
Na
 
2
Ca(CO
 
3
)
 
2
Simplified for copy/paste:Na2Ca(CO3)2
Essential elements:C, Ca, Na, O
All elements listed in formula:C, Ca, Na, O

Relationship of Nyerereite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.AC.05Eitelite
Na
 
2
Mg(CO
 
3
)
 
2
5.AC.10Zemkorite
Na
 
2
Ca(CO
 
3
)
 
2
5.AC.15Bütschliite
K
 
2
Ca(CO
 
3
)
 
2
5.AC.20Fairchildite
K
 
2
Ca(CO
 
3
)
 
2
5.AC.25Shortite
Na
 
2
Ca
 
2
(CO
 
3
)
 
3
5.AC.30Burbankite
(Na,Ca)
 
3
(Sr,Ba,Ce)
 
3
(CO
 
3
)
 
5
5.AC.30Calcioburbankite
Na
 
3
(Ca,REE,Sr)
 
3
(CO
 
3
)
 
5
5.AC.30Khanneshite
(Na,Ca)
 
3
(Ba,Sr,Ce,Ca)
 
3
(CO
 
3
)
 
5
5.AC.30Sanrománite
Na
 
2
CaPb
 
3
[CO
 
3
]
 
5
Related Minerals - Hey's Index Grouping:

- +
11.1.1Zabuyelite
Li
 
2
CO
 
3
11.1.2Natrite
Na
 
2
CO
 
3
11.1.3Nahcolite
NaHCO
 
3
11.1.4Wegscheiderite
Na
 
5
H
 
3
(CO
 
3
)
 
4
11.1.5Thermonatrite
Na
 
2
CO
 
3
· H
 
2
O
11.1.6Trona
Na
 
3
H(CO
 
3
)
 
2
· 2H
 
2
O
11.1.7Natron
Na
 
2
CO
 
3
· 10H
 
2
O
11.1.8Kalicinite
KHCO
 
3
11.1.9Shortite
Na
 
2
Ca
 
2
(CO
 
3
)
 
3
11.1.11Natrofairchildite
11.1.12Zemkorite
Na
 
2
Ca(CO
 
3
)
 
2
11.1.13Pirssonite
Na
 
2
Ca(CO
 
3
)
 
2
· 2H
 
2
O
11.1.14Gaylussite
Na
 
2
Ca(CO
 
3
)
 
2
· 5H
 
2
O
11.1.15Baylissite
K
 
2
Mg(CO
 
3
)
 
2
· 4H
 
2
O
11.1.16Fairchildite
K
 
2
Ca(CO
 
3
)
 
2
11.1.17Bütschliite
K
 
2
Ca(CO
 
3
)
 
2
11.1.18Teschemacherite
(NH
 
4
)HCO
 
3

Other Names for Nyerereite

Synonyms:
IMA1963-014Natrofairchildite
Other Languages:
German:Nyerereit
Russian:Ниеререит
Simplified Chinese:尼碳钠钙石
尼雷尔石
Spanish:Nyerereita

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.

References for Nyerereite

Reference List:

- +
American Mineralogist (1975): 60: 487-488.

Zeitschrift für Kristallographie (1977): 145: 73-95.

American Mineralogist (1978): 63: 600.

Internet Links for Nyerereite

Search Engines:
  • Look for Nyerereite on Google
  • Look for Nyerereite images on Google
  • External Links:
  • Look for Nyerereite on Webmineral
  • Look for Nyerereite on Athena Mineralogy
  • Look for Nyerereite on Wikipedia
  • Look for Nyerereite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Nyerereite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality low prices
  • Nyerereite specimens for sale - minfind.com
  • Lapis Mineral Magazin
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Buy minerals from YourMineralCollection
  • Fine minerals from bisbeeborn.com
  • Fine and rare minerals from mintreasure.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • High-end worldwide specimens & outstanding customer service
  • Top quality minerals from Kristalle of California
  • Buy fine minerals and gemstones from Pala International
  • Search for Nyerereite on Well-Arranged Molecules
  • Localities for Nyerereite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (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.
    Germany
     
    • Rhineland-Palatinate
      • Lahn valley
        • Bad Ems District
          • Braubach
    Schnorrer-Köhler, G. & David, W. (1991): Die Blei- und Silberhütte Braubach und ihre Haldenminerale. Lapis, 16 (1), 38-49; 58 (in German).
    Italy
     
    • Basilicata
      • Potenza Province
        • Melfi
          • Vulture Mount
    Stoppa, F., Jones, A.P., and Sharygin, V.V. (2009): Central European Journal of Geosciences 1(2), 131-151
    Kenya
     
    A. N. Zaitsev, T. Wenzel, T. Vennemann and G. Markl (2013): Tinderet volcano, Kenya: an altered natrocarbonatite locality? Mineralogical Magazine 77, 213-226.
    Russia
     
    • Eastern-Siberian Region
      • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
        • Maimecha and Kotui Rivers Basin
    Henderson, C. M. B., Kogarko, L. N., & Plant, D. A. (1999). Extreme closed system fractionation of volatile-rich, ultrabasic peralkaline melt inclusions and the occurrence of djerfisherite in the Kugda alkaline complex, Siberia. Mineralogical Magazine, 63(3), 433-438.
    Henderson, C. M. B., Kogarko, L. N., & Plant, D. A. (1999). Extreme closed system fractionation of volatile-rich, ultrabasic peralkaline melt inclusions and the occurrence of djerfisherite in the Kugda alkaline complex, Siberia. Mineralogical Magazine, 63(3), 433-438.
    • Northern Region
      • Murmanskaja Oblast'
        • Northern Karelia
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Tanzania
     
    • Arusha Region
    Zaitsev A.N., Wenzel T., Markl G., Spratt J., Petrov S.V., Williams, C.T. (2010) Mineralogy and geochemistry of nephelinites and phonolites from the Sadiman volcano, northern Tanzania. Abstracts of XXVII International conference School «Geochemistry of Alkaline rocks». – Moscow-Koktebel’. pp. 240 pp.
    Geol.Soc.Amer.,Progr. Annual. Meet.(1968) 202; Mineralogical Magazine 1997 61 : 779-789
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: September 1, 2014 04:40:22
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds