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Natronambulite

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Formula:
(Na,Li)(Mn,Ca)4Si5O14OH
System:
Triclinic
Hardness:
5½ - 6

Classification of Natronambulite

Approved
9.DK.05

9 : SILICATES (Germanates)
D : Inosilicates
K : Inosilicates with 5-periodic single chains
65.4.1.5

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
4 : Single-Width Unbranched Chains, W=1 with chains P=5
14.18.2

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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http://www.mindat.org/min-2859.html
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Type Occurrence of Natronambulite

Year of Discovery:
1985

Physical Properties of Natronambulite

Hardness (Mohs):
5½ - 6

Crystallography of Natronambulite

Crystal System:
Triclinic
Cell Parameters:
a = 7.62Å, b = 11.76Å, c = 6.73Å
α = 92.81°, β = 94.55°, γ = 106.87°
Ratio:
a:b:c = 0.648 : 1 : 0.572

Optical Data of Natronambulite

Type:
Biaxial (+)
RI values:
nα = 1.706 nβ = 1.710 nγ = 1.730
2V:
Measured: 45° , Calculated: 50°
Max Birefringence:
δ = 0.024
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak

Chemical Properties of Natronambulite

Formula:
(Na,Li)(Mn,Ca)4Si5O14OH
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Mg,Ca,H2O

Relationship of Natronambulite to other Species

Series:
Forms a series with Nambulite (see here)
9.DK.05BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
9.DK.05LithiomarsturiteLiCa2Mn2Si5O14(OH)
9.DK.05ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)
9.DK.05MarsturiteNaCaMn3Si5O14(OH)
9.DK.05Nambulite(Li,Na)Mn4Si5O14(OH)
9.DK.05RhodoniteMnSiO3
9.DK.05ScandiobabingtoniteCa2(Fe2+,Mn)ScSi5O14(OH)
9.DK.05Fowlerite
9.DK.10SantaclaraiteCaMn4[Si5O14OH](OH) · H2O
9.DK.15SaneroiteNa2(Mn,Mn)10Si11VO34(OH)4
9.DK.20Hellandite-(Y)(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2
9.DK.20Tadzhikite-(Ce)(Ca,Ce)4(Ce,Y)2(Ti4+,Fe3+,Al)[B4Si4O22](OH)2
9.DK.20Mottanaite-(Ce)Ca4(CeCa)AlBe2(Si4B4O22)O2
9.DK.20CiprianiiteCa4[(Th,U)(REE)]Al◻2(Si4B4O22)(OH,F)2
9.DK.20Hellandite-(Ce)(Ca,REE)4Ce2Al(Be,Li)2-xB4Si4O22(OH)2
14.18.1Nambulite(Li,Na)Mn4Si5O14(OH)
14.18.3ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2O
14.18.4NorrishiteKLiMn23+(Si4O10)O2
14.18.5Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2O
14.18.6AbswurmbachiteCuMn63+(SiO4)O8
14.18.7Donpeacorite(Mn2+,Mg)Mg[SiO3]2
14.18.8KanoiteMn2+(Mg,Mn2+)Si2O6
14.18.9Caryopilite(Mn,Mg)3(Si2O5)(OH)4
14.18.10Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
14.18.11Tirodite
14.18.12Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2
14.18.13BustamiteCaMn2+(Si2O6)
14.18.14GlaucochroiteCaMn2+SiO4
14.18.15Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
14.18.16SantaclaraiteCaMn4[Si5O14OH](OH) · H2O
14.18.17FerrobustamiteCaFe2+(Si2O6)
14.18.18JohannseniteCaMn2+Si2O6
14.18.19NeltneriteCaMn63+(SiO4)O8
14.18.20OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2O
14.18.21InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
14.18.22OrientiteCa2Mn2+Mn23+(Si3O10)(OH)4
14.18.23RuiziteCa2Mn23+[(OH)2|H2Si4O13] · 2H2O
14.18.24BostwickiteCaMn6Si3O16 · 7H2O
14.18.25KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2O
14.18.26LithiomarsturiteLiCa2Mn2Si5O14(OH)
14.18.27SéranditeNa(Mn2+,Ca)2(HSi3O9)
14.18.28KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2
14.18.29MarsturiteNaCaMn3Si5O14(OH)
14.18.30RaiteNa4Mn32+Ti0.25Si8O20(OH)2 · 10H2O
14.18.31Richterite{Na}{CaNa}{Mg5}(Si8O22)(OH)2
14.18.32Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
14.18.33Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
14.18.34Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
14.18.35PyroxmangiteMnSiO3
14.18.36Dannemorite
14.18.37Neotocite(Mn,Fe,Mg)SiO3 · H2O
14.18.38BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
14.18.39ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)
14.18.40ÖrebroiteMn32+(Sb5+,Fe3+)(SiO4)(O,OH)3

Other Names for Natronambulite

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 Natronambulite

Reference List:
American Mineralogist (1973): 58: 162.

American Mineralogist (1987): 72: 224.

American Mineralogist (1990): 75: 412.

Nagashima, M., Armbruster, T., Kolitsch, U. and Pettke, T. (2014): The relation between Li <-> Na substitution and hydrogen bonding in five-periodic single-chain silicates nambulite and marsturite: A single-crystal X-ray study. American Mineralogist 99, 1462–1470.

Internet Links for Natronambulite

Localities for Natronambulite

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 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.
Japan
 
  • Honshu Island
    • Kanto Region
      • Tochigi Prefecture
        • Kanuma City
Matsubara, S., Kato, A., Miyawaki, R., Komuro, Y. and Okada, Y. (2007) Natronambulite from the Dohnoiri mine, Kanuma City, Tochigi Prefecture, Japan. Bulletin of the National Museum of Natural Sciences, Ser. C. 33, 1-5.
    • Tohoku Region
      • Fukushima Prefecture
        • Iwaki
Nagashima, M., Armbruster, T., Kolitsch, U. and Pettke, T. (2014): The relation between Li <-> Na substitution and hydrogen bonding in five-periodic single-chain silicates nambulite and marsturite: A single-crystal X-ray study. American Mineralogist 99, 1462–1470.
      • Iwate Prefecture
        • Shimohei-gun
          • Tanohata-mura
Mineral.Journ.Japan (1985) 12, 332-340
          • Tanohata mine
Nagase, Toshiro; Hori, Hidemichi; Kitamine, Mizuya; Nagashima, Mariko; Abduriyim, Ahmadjan; Kuribayashi, Takahiro (2012): Tanohataite, LiMn2Si3O8(OH): a new mineral from the Tanohata mine, Iwate Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 149-154.
  • Shikoku Island
    • Kochi Prefecture
      • Nagaoka-gun
Journal of Mineralogical and Petrological Sciences 103,400-406(2008)
Namibia
 
  • Otjozondjupa Region
    • Grootfontein District
      • Kombat
von Knorring, O., T.G., Sahama, and R. Törnroos (1978) Second find of nambulite. Neues Jahrb. Mineral., Monatsh., 346-348.
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Spain
 
  • Catalonia
    • Tarragona
      • Priorat
        • Bellmunt del Priorat
Joan Abella i Creus (2008): Minerals I Mines De La Conca De Bellmunt Del Priorat.
Mineral and/or Locality  
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