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Tanohataite

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Formula:
LiMn2(HSi3O9)
System:
Triclinic
Name:
Named for the type locality.
Isostructural with:
Wollastonite Group. The Li analogue of sérandite.

Classification of Tanohataite

Approved 2007
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Type Occurrence of Tanohataite

Geological Setting of Type Material:
metasedimentary

Crystallography of Tanohataite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.612Å, b = 7.038Å, c = 6.700Å
α = 90.23°, β = 94.70°, γ = 105.26°
Ratio:
a:b:c = 1.082 : 1 : 0.952

Chemical Properties of Tanohataite

Formula:
LiMn2(HSi3O9)
Essential elements:
All elements listed in formula:

Relationship of Tanohataite to other Species

Other Members of Group:
BustamiteCaMn2+(Si2O6)
FerrobustamiteCaFe2+(Si2O6)
Keatingine
PectoliteNaCa2(HSi3O9)
SéranditeNa(Mn2+,Ca)2(HSi3O9)
WollastoniteCaSiO3

Other Names for Tanohataite

Name in Other Languages:
Japanese:田野畑石

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 Tanohataite

Reference List:
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.

Internet Links for Tanohataite

Localities for Tanohataite

(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
    • Tohoku Region
      • Iwate Prefecture
        • Shimohei-gun
          • 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.
Mineral and/or Locality  
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