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Taneyamalite

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Formula:
(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44
System:
Triclinic
Colour:
Greenish-grey-yellow
Hardness:
5 - 6
Name:
Named for the Taneyama Mine, Toyo village, Kumamoto Prefecture, Japan, a co-type locality.
Deerite-Howieite Group

Classification of Taneyamalite

Approved 1977
9.DH.65

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12
69.2.3.2

69 : INOSILICATES Chains with Side Branches or Loops
2 : Chains with Side Branches or Loops with P>2
16.16.16

16 : Silicates Containing Aluminum and other Metals
16 : Aluminosilicates of Mn
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First Recorded Occurrence of Taneyamalite

Year of Discovery:
1977
Geological Setting of First Recorded Material:
metamorphic manganese ore

Physical Properties of Taneyamalite

Vitreous
Colour:
Greenish-grey-yellow
Streak:
Light yellow
Hardness (Mohs):
5 - 6
Cleavage:
Perfect
on {010}
Density:
3.30 g/cm3 (Calculated)

Crystallography of Taneyamalite

Crystal System:
Triclinic
Cell Parameters:
a = 10.19Å, b = 9.82Å, c = 9.48Å
α = 90.5°, β = 70.53°, γ = 108.57°
Ratio:
a:b:c = 1.038 : 1 : 0.965

Optical Data of Taneyamalite

Type:
Biaxial (-)
RI values:
nα = 1.646 - 1.697 nβ = 1.664 - 1.720 nγ = 1.676 - 1.732
2V:
Measured: 70° , Calculated: 70° to 76°
Max Birefringence:
δ = 0.030 - 0.035
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
relatively strong
Optical Extinction:
nearly parallel
Pleochroism:
Visible
Comments:
α = β nearly colourless, γ pale yellow

Chemical Properties of Taneyamalite

Formula:
(Na,Ca)(Mn,Mg,Fe)12Si12(O,OH)44
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Al,Ca,K,H2O

Relationship of Taneyamalite to other Species

9.DH.05LeucophaniteNaCaBeSi2O6F
9.DH.10OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2O
9.DH.15HaradaiteSrVSi2O7
9.DH.15SuzukiiteBaVSi2O7
9.DH.20BatisiteBaNaNaTi2(Si4O12)O2
9.DH.20Shcherbakovite(K,Ba)KNa(Ti,Nb)2(Si4O12)O2
9.DH.25TaikaniteSr3BaMn22+(Si4O12)O2
9.DH.30KrauskopfiteBaSi2O5 · 3H2O
9.DH.35Balangeroite(Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40
9.DH.35GageiteMn21(Si4O12)2O3(OH)20
9.DH.40AenigmatiteNa2Fe52+Ti(Si6O18)O2
9.DH.40DorriteCa4(Mg3Fe93+)O4(Si3Al8Fe3+O36)
9.DH.40Høgtuvaite(Ca,Na)2(Fe2+,Fe3+,Ti)6[O2|Be(Si,Al)5O18]
9.DH.40KrinoviteNa2Mg4Cr23+(Si6O18)O2
9.DH.40MakarochkiniteCa2Fe42+Fe3+Ti[O2|BeAlSi4O18]
9.DH.40RhöniteCa2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18]
9.DH.40Serendibite(Ca,Na)2(Mg,Fe2+)3(Al,Fe3+)3[O2|(Si,Al,B)6O18]
9.DH.40WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]
9.DH.40WilkinsoniteNa2Fe42+Fe23+(Si6O18)O2
9.DH.45Sapphirine(Mg,Fe)4-xAl4+x[Al4+xSi2-xO18]O2
9.DH.50Khmaralite(Mg,Al,Fe)16[(Al,Si,Be)12O36]O4
9.DH.55Surinamite(Mg,Fe)3Al4BeSi3O16
9.DH.60Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
9.DH.65HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13
9.DH.70JohninnesiteNa2Mn92+Mg7(OH)8[AsO4]2[Si6O17]2
9.DH.75AgrelliteNaCa2Si4O10F
16.16.1KanonaiteMn3+Al(SiO4)O
16.16.2SpessartineMn32+Al2(SiO4)3
16.16.3DavreuxiteMnAl6Si4O17(OH)2
16.16.4SursassiteMn22+Al3(Si2O7)(SiO4)(OH)3
16.16.5CarpholiteMn2+Al2(Si2O6)(OH)4
16.16.6KellyiteMn22+Al(AlSiO5)(OH)4
16.16.7PennantiteMn52+Al(AlSi3O10)(OH)8
16.16.8Akatoreite(Mn2+,Fe2+)9Al2(HSi4O13)2(OH)6
16.16.9Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
16.16.10Mangano-ferri-eckermannite[Na][Na2][Mn42+(Fe3+)]Si8O22(OH)2
16.16.11Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2
16.16.13HowieiteNa(Fe,Mn)10(Fe,Al)2Si12O31(OH)13
16.16.14Eggletonite(Na,K,Ca)2(Mn,Fe)8(Si,Al)12O29(OH)7 · 11H2O
16.16.15BannisteriteCa0.5(K,Na)0.5(Mn,Fe,Zn)10(Si,Al)16O38(OH)8 · 5.5H2O
16.16.17ZussmaniteK(Fe,Mg,Mn)13(Si,Al)18O42(OH)14
16.16.18CoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14
16.16.19HenritermieriteCa3(Mn3+,Al)2(SiO4)2(OH)4
16.16.20MacfalliteCa2(Mn3+,Al)3(Si2O7)(SiO4)(OH)3
16.16.21Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
16.16.22Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
16.16.23OkhotskiteCa2(Mn2+,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2O
16.16.24Pumpellyite-(Mn2+)Ca2(Mn2+,Mg)(Al,Mn3+,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2O
16.16.25Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)

Other Names for Taneyamalite

Name in Other Languages:
Japanese:種山石
Spanish:Taneyamalita

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 Taneyamalite

Reference List:
Matsubara, S. (1981): Taneyamalite, (Na,Ca)(Mn2+,Mg,Fe3+,Al)12Si12(O,OH)44, a new mineral from the Iwaizawa mine, Saitama Prefecture, Japan. Mineral. Mag. 44, 51-53.

Journal of the Geological Society of Japan (1968): 74: 136.

American Mineralogist (1981): 66: 1101.

Internet Links for Taneyamalite

Localities for Taneyamalite

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
      • Saitama Prefecture
        • Hannou
Satoshi Matsubara (1981) Taneyamalite, (Na, Ca)(Mn2+,Mg,Fe3+,Al)12Si12 (O,OH)44, a New Mineral from the Iwaizawa Mine, Saitama Prefecture, Japan. Mineralogical Magazine 44:51-53.
  • Kyushu Region
    • Kumamoto Prefecture
      • Yatsushiro City
        • Toyo
Aoki, Y., Akasako, H., Ishida, K. (1981): Taneyamalite, a new manganese silicate mineral from the Taneyama mine, Kumamoto Prefecture, Japan.
  • Shikoku Island
    • Kochi Prefecture
      • Nagaoka-gun
Journal of Mineralogical and Petrological Sciences 103,400-406(2008)
USA
 
  • California
    • Sonoma Co.
      • Coast Range
        • Cazadero
Analysis in: DHZ, Vol. 2B, 2nd ed., p 755.
    • Stanislaus Co.
      • Diablo Range
        • Ladd-Buckeye District
          • Mount Oso
Econ Geol (1992) 87:2023-2040; Huebner, J. Stephen; Flohr, Marta J. (1990) Microbanded manganese formations; protoliths in the Franciscan Complex, California; USGS Professional Paper 1502.
Mineral and/or Locality  
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