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Natronambulite

A valid IMA mineral species

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Photos of Natronambulite (4)

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Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Natronambulite

Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

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About NatronambuliteHide

Formula:

(Na,Li)(Mn,Ca)₄Si₅O₁₄OH

Colour:

Pinkish orange

Lustre:

Vitreous

Hardness:

5½ - 6

Specific Gravity:

3.51

Crystal System:

Triclinic

Name:

Named for its relation to nambulite, with dominant sodium, NATRium in Latin.

Type Locality:

ⓘ Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

Nambulite-Natronambulite Series.

The Na analogue of Nambulite.

Unique IdentifiersHide

Mindat ID:

2859

Long-form identifier:

mindat:1:1:2859:8

GUID
(UUID V4):

de8a8cc2-6f14-4c7c-a486-c47829544b50

IMA Classification of NatronambuliteHide

IMA status:

Approved

IMA Formula:

NaMn²⁺₄Si₅O₁₄(OH)

First published:

1985

Type description reference:

Matsubara, S., Kato, A., Tiba, T. (1985) Natronambulite, (Na,Li)(Mn,Ca)4Si5O14OH, a new mineral from the Tanohata mine, Iwate Prefecture, Japan. Mineralogical Journal: 12: 332-340.

Classification of NatronambuliteHide

Strunz-mindat (2024):

9.DK.05

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

Dana 8th ed.:

65.4.1.5

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

Hey's CIM Ref.:

14.18.2

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Nnbl	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of NatronambuliteHide

Lustre:

Vitreous

Colour:

Pinkish orange

Comment:

Very faintly yellowish color in thin section, distinguishing it from rhodonite, pyroxmangite and johannsenite, which are colorless.

Streak:

White with very faint orange tint

Hardness:

5½ - 6 on Mohs scale

Cleavage:

Perfect
[100] and [100] perfect

Density:

3.51 g/cm³ (Measured) 3.50 g/cm³ (Calculated)

Optical Data of NatronambuliteHide

Type:

Biaxial (+)

RI values:

n_α = 1.706 n_β = 1.710 n_γ = 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

Comments:

Absorption: Z > Y = X.

Chemistry of NatronambuliteHide

Mindat Formula:

(Na,Li)(Mn,Ca)₄Si₅O₁₄OH

Elements listed:

Ca, H, Li, Mn, Na, O, Si - search for minerals with similar chemistry

Common Impurities:

Fe,Mg,Ca,H₂O

Chemical AnalysisHide

Oxide wt%:

	1
SiO₂	48.92 %
MnO	45.39 %
MgO	0.01 %
CaO	1.04 %
SrO	0.02 %
Na₂O	4.10 %
Li₂O (by stoichiometry)	0.37 %
H₂O (by stoichiometry)	1.47 %
Total:	101.32 %

Empirical formulas:

Sample ID	Empirical Formula
1	(Na_0.81Li_0.15Ca_0.04)(Mn²⁺_0.93Ca_0.07)Mn²⁺_1.00Mn²⁺_1.00Mn²⁺_1.00[Si_5.00O₁₄](OH)

Sample references:

ID	Locality	Reference	Notes
1	Woods Mine, Darling Co., New South Wales, Australia	Frank K. Mazdab collectionsample FKM-30; https://www.rockptx.com/fkm-26-to-fkm-50/#FKM-30	Presumed natronambulite associated with serandite, in a matrix of abundant quartz, braunite and mangano-mangani-ungarettiite. Li content is estimated from stoichiometry only (hence the unconfirmed nature of the ID, although the Li-dominant end-member nambulite is reported from the locality); H2O is also calculated from stoichiometry.

Crystallography of NatronambuliteHide

Crystal System:

Triclinic

Cell Parameters:

a = 7.62 Å, b = 11.76 Å, c = 6.73 Å
α = 92.81°, β = 94.55°, γ = 106.87°

Ratio:

a:b:c = 0.648 : 1 : 0.572

Unit Cell V:

573.67 Å³ (Calculated from Unit Cell)

Comment:

Nagashima et al. (2014) give 7.6115(1), 11.7340(2), 6.7324(1) Å, 92.876(1), 94.846(1), 106.650(1)°, V = 572.28(2) Å³, for a sample from the Gozaisho mine.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0020224	Natronambulite	Nagashima M, Armbruster T, Kolitsch U, 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		2014	Gozaisho mine, Iwaki, Japan	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Natronambulite'
loop_
_publ_author_name
'Nagashima M'
'Armbruster T'
'Kolitsch U'
'Pettke T'
_journal_name_full 'American Mineralogist'
_journal_volume 99 
_journal_year 2014
_journal_page_first 1462
_journal_page_last 1470
_publ_section_title
;
 The relation between Li <-> Na substitution and hydrogen bonding in five-periodic
 single-chain silicates nambulite and marsturite: A single-crystal X-ray study
;
_database_code_amcsd 0020224
_chemical_compound_source 'Gozaisho mine, Iwaki, Japan'
_chemical_formula_sum 'Na.724 Li.276 Mn3.568 Mg.22 Ca.212 Si5 O15 H'
_cell_length_a 7.6115
_cell_length_b 11.7340
_cell_length_c 6.7324
_cell_angle_alpha 92.876
_cell_angle_beta 94.846
_cell_angle_gamma 106.650
_cell_volume 572.278
_exptl_crystal_density_diffrn      3.539
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
NaM5   0.67662   0.14334   0.37012   0.72400   0.01860
LiM5   0.64510   0.11230   0.32800   0.27600   0.01860
MnM1   0.59207   0.65370   0.06309   1.00000   0.00988
MnM2   0.80995   0.94141   0.12595   1.00000   0.00992
MnM3   0.04032   0.23520   0.17572   0.78000   0.00907
MgM3   0.04032   0.23520   0.17572   0.22000   0.00907
MnM4   0.24236   0.51541   0.26632   0.78800   0.01396
Ca4   0.24236   0.51541   0.26632   0.21200   0.01396
Si1   0.27118   0.05933   0.35868   1.00000   0.00779
Si2   0.46769   0.32896   0.42677   1.00000   0.00794
Si3   0.81426   0.45278   0.21928   1.00000   0.00730
Si4   0.00041   0.72396   0.30440   1.00000   0.00734
Si5   0.34520   0.85400   0.12056   1.00000   0.00749
O1   0.18836   0.00843   0.56095   1.00000   0.01305
O2   0.11946   0.06725   0.18303   1.00000   0.00978
O3   0.42790   0.18450   0.42510   1.00000   0.01650
O4   0.32721   0.35159   0.25068   1.00000   0.01014
O5   0.52935   0.61187   0.35476   1.00000   0.01261
O6   0.68649   0.37629   0.38082   1.00000   0.01264
O7   0.97520   0.39628   0.17223   1.00000   0.01464
O8   0.67927   0.46847   0.03237   1.00000   0.01050
O9   0.92518   0.58268   0.33770   1.00000   0.01334
O10   0.87607   0.76526   0.13216   1.00000   0.00959
O11  -0.01209   0.20530   0.48146   1.00000   0.01360
O12   0.21059   0.74522   0.23715   1.00000   0.01179
O13   0.53060   0.82388   0.07655   1.00000   0.01090
O14   0.77051   0.11940   0.07460   1.00000   0.01116
O15   0.39211   0.97274   0.28226   1.00000   0.01218
H1   0.11200  -0.07490   0.54400   0.70000   0.05000
H11  -0.05300   0.11788   0.47100   0.30000   0.05000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
NaM5 0.01100 0.02710 0.01590 0.00290 0.00250 -0.00170
LiM5 0.01100 0.02710 0.01590 0.00290 0.00250 -0.00170
MnM1 0.00860 0.01079 0.00917 0.00098 0.00129 0.00097
MnM2 0.01043 0.00954 0.00970 0.00258 0.00196 0.00050
MnM3 0.00878 0.00843 0.00972 0.00198 0.00117 0.00079
MgM3 0.00878 0.00843 0.00972 0.00198 0.00117 0.00079
MnM4 0.01114 0.01402 0.01337 -0.00088 -0.00135 0.00102
Ca4 0.01114 0.01402 0.01337 -0.00088 -0.00135 0.00102
Si1 0.00890 0.00650 0.00737 0.00152 0.00023 0.00048
Si2 0.00906 0.00698 0.00650 0.00034 0.00042 0.00098
Si3 0.00693 0.00734 0.00770 0.00197 0.00108 0.00151
Si4 0.00744 0.00653 0.00758 0.00148 0.00013 0.00048
Si5 0.00681 0.00856 0.00727 0.00262 0.00044 0.00054
O1 0.01650 0.01230 0.00880 0.00110 0.00320 0.00180
O2 0.01020 0.01180 0.00790 0.00440 0.00000 0.00060
O3 0.02110 0.00720 0.01620 -0.00160 -0.00610 0.00200
O4 0.00930 0.01160 0.00900 0.00230 0.00020 0.00140
O5 0.01470 0.01410 0.00830 0.00310 0.00170 -0.00040
O6 0.00910 0.01600 0.01330 0.00320 0.00260 0.00720
O7 0.01440 0.01580 0.01710 0.00860 0.00510 0.00300
O8 0.00920 0.01280 0.00870 0.00200 -0.00040 0.00180
O9 0.01560 0.00760 0.01360 -0.00040 -0.00320 0.00120
O10 0.00820 0.01090 0.00980 0.00310 0.00010 0.00200
O11 0.01970 0.01000 0.00960 0.00180 0.00280 -0.00100
O12 0.00790 0.01460 0.01360 0.00320 0.00240 0.00550
O13 0.00830 0.01070 0.01440 0.00340 0.00290 0.00100
O14 0.01150 0.01130 0.01010 0.00310 -0.00200 0.00200
O15 0.01170 0.01210 0.01310 0.00540 -0.00170 -0.00300

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.559 Å	(100)
7.13 Å	(47)
3.078 Å	(45)
6.70 Å	(44)
3.348 Å	(40)
2.506 Å	(38)
2.972 Å	(34)

Comments:

Tanohata mine, Japan. Data from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of NatronambuliteHide

Type Locality:

ⓘ Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan

General Appearance of Type Material:

Bands of grains to 7 mm in size.

Place of Conservation of Type Material:

Department of Geology, National Science Museum, Tokyo, Japan.

Geological Setting of Type Material:

Contact metamorphosed bedded manganese ore deposits.

Associated Minerals at Type Locality:

Reference:

Matsubara, S., Kato, A., Tiba, T. (1985) Natronambulite, (Na,Li)(Mn,Ca)4Si5O14OH, a new mineral from the Tanohata mine, Iwate Prefecture, Japan. Mineralogical Journal: 12: 332-340.

Download:

http://rruff.info/rruff_1.0/uploads/MJ12_332.pdf

Synonyms of NatronambuliteHide

IMA1981-034

Other Language Names for NatronambuliteHide

German:Natronambulit

Japanese:ソーダ南部石

Spanish:Natronambulita

Relationship of Natronambulite to other SpeciesHide

Forms a series with:

Nambulite

Nambulite-Natronambulite Series

Related Minerals - Strunz-mindat Grouping Hide

9.DK.	Ferrorhodonite	CaMn₃Fe[Si₅O₁₅]	Tric. 1 : P1
9.DK.	Vittinkiite	MnMn₃Mn[Si₅O₁₅]	Tric. 1 : P1
9.DK.	Ferri-hellandite-(Ce)	(Ca₃Ce)Ce₂Fe³⁺◻₂B₄Si₄O₂₂(OH)₂	Mon. 2/m : P2/b
9.DK.	Shijiangshanite	Pb₃CaAl(Si₅O₁₄)(OH)₃ · 3H₂O	Trig. 3m : R3c
9.DK.05	Allagite
9.DK.05	Babingtonite	Ca₂(Fe,Mn)FeSi₅O₁₄(OH)	Tric. 1 : P1
9.DK.05	Lithiomarsturite	LiCaMn₃Si₅O₁₄(OH)	Tric. 1 : P1
9.DK.05	Manganbabingtonite	Ca₂(Mn,Fe)FeSi₅O₁₄(OH)	Tric. 1 : P1
9.DK.05	Marsturite	NaCaMn₃Si₅O₁₄(OH)	Tric. 1 : P1
9.DK.05	Nambulite	LiMn²⁺₄Si₅O₁₄(OH)	Tric.
9.DK.05	Rhodonite	CaMn₃Mn[Si₅O₁₅]	Tric. 1
9.DK.05	Scandiobabingtonite	Ca₂(Fe²⁺,Mn)ScSi₅O₁₄(OH)	Tric.
9.DK.10	Santaclaraite	CaMn₄[Si₅O₁₄OH](OH) · H₂O	Tric. 1 : P1
9.DK.15	Saneroite	NaMn²⁺₅[Si₅O₁₄(OH)](VO₃)(OH)	Tric. 1 : P1
9.DK.20	Hellandite-(Y)	(Ca,REE)₄Y₂Al◻₂(B₄Si₄O₂₂) (OH)₂	Mon. 2/m : P2/b
9.DK.20	Tadzhikite-(Ce)	Ca₄Ce³⁺₂Ti◻₂(B₄Si₄O₂₂)(OH)₂	Mon. 2/m : P2/b
9.DK.20	Hellandite-(Yb)	(Ca,Y)₄(Yb,Y)₂(Al,Fe³⁺,Ti⁴⁺)(Be,Li)₂[B₄Si₄O₂₂](O,F,OH)₂
9.DK.20	Mottanaite-(Ce)	Ca₄(Ce,REE)_Σ2Al(Be_1.5◻_0.5)_Σ2[B₄Si₄O₂₂]O₂	Mon. 2/m
9.DK.20	Ciprianiite	Ca₄[(Th,U),Ca]_Σ2Al(Be_0.5◻_1.5)_Σ2[B₄Si₄O₂₂](OH)₂	Mon. 2/m : P2/b
9.DK.20	Hellandite-(Ce)	(Ca,REE)₄Ce₂Al◻₂(B₄Si₄O₂₂) (OH)₂	Mon. 2/m
9.DK.20	Ferri-mottanaite-(Ce)	Ca₄Ce₂Fe³⁺(Be_1.5◻_0.5)[Si₄B₄O₂₂]O₂	Mon. 2/m : P2/b

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for NatronambuliteHide

mindat.org URL:

https://www.mindat.org/min-2859.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for NatronambuliteHide

Reference List:

Matsubara, S., Kato, A., Tiba, T. (1985) Natronambulite, (Na,Li)(Mn,Ca)4Si5O14OH, a new mineral from the Tanohata mine, Iwate Prefecture, Japan. Mineralogical Journal: 12: 332-340.

Hawthorne, F.C., Bladh, K.W., Burke, E.A.J., Grew, E.S., Langley, R.H., Puciewicz, J., Roberts, A.C., Schedler, R.A., Shigley, J.E., Vanko, D.A. (1987) New mineral names. American Mineralogist: 72: 222-230.

Peacor, D.R., Dunn, P.J., White, J.S., Grice, J.D., Chi, P.H. (1990) Lithiomarsturite, a new member of the pyroxenoid group, from North Carolina. American Mineralogist, 75, 409-414.

Matsubara, S., Kato, A., Miyawaki, R., Komuro, Y., Okada, Y. (2007) Natronambulite from the Dohnoiri mine, Kanuma City, Tochigi Prefecture, Japan. Bulletin of the National Museum of Nature and Science, Ser. C, 33, 1–5.

Nagashima, M., Armbruster, T., Kolitsch, U., 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 (7) 1462-1470 doi:10.2138/am.2014.4887

(2023) Natronambulite. Handbook of Mineralogy. Mineralogical Society of America

Localities for NatronambuliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Australia
New South Wales Darling Co. ⓘ Woods Mine (Wood's Rhodonite Mine) ?	Frank K. Mazdab collection

Japan
Fukushima Prefecture Iwaki City ⓘ Gozaisho mine	Nagashima et al. (2014)
Iwate Prefecture Shimohei District Tanohata ⓘ Tanohata mine (TL)	Matsubara et al. (1985) +1 other reference
ⓘ Matsumaezawa pit (no. 3 orebody)	Nagase et al. (2012)
Kochi Prefecture Nankoku city ⓘ Ananai mine	Minakawa et al. (2008)
Tochigi Prefecture Kanuma City ⓘ Dohnoiri mine	Matsubara et al. (2007)

Namibia
Otjozondjupa Region Otavi Constituency Kombat ⓘ Kombat Mine	Von Knorring et al. (1978)

Romania
ⓘ Bistriţa Mn belt	Hîrtopanu et al. (2003) +1 other reference
Suceava County Iacobeni ⓘ Arșița mine	minerals-of-the-carpathians.eu (2008)
Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit	Hîrtopanu (1997) +1 other reference

Spain
Catalonia Tarragona Priorat Bellmunt del Priorat ⓘ Joaquina primera mine	Joan Abella i Creus (2008)

Natronambulite

About NatronambuliteHide

Unique IdentifiersHide

IMA Classification of NatronambuliteHide

Classification of NatronambuliteHide

Mineral SymbolsHide

Physical Properties of NatronambuliteHide

Optical Data of NatronambuliteHide

Chemistry of NatronambuliteHide

Chemical AnalysisHide

Crystallography of NatronambuliteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of NatronambuliteHide

Synonyms of NatronambuliteHide

Other Language Names for NatronambuliteHide

Relationship of Natronambulite to other SpeciesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for NatronambuliteHide

References for NatronambuliteHide

Localities for NatronambuliteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide