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Kanoite

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Formula:
Mn2+(Mg,Mn2+)Si2O6
System:
Monoclinic
Colour:
pinkish brown
Hardness:
6
Name:
For Dr. Hiroshi Kano, Akita University, Japan
Dimorph of:

Classification of Kanoite

Approved
9.DA.10

9 : SILICATES (Germanates)
D : Inosilicates
A : Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
65.1.1.3

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
1 : Single-Width Unbranched Chains, W=1 with chains P=2
14.18.8

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

Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan
Year of Discovery:
1977
Geological Setting of Type Material:
Seam cutting a pyroxmangite-cummingtonite metamorphic rock.

Physical Properties of Kanoite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
pinkish brown
Streak:
pale brown to white
Hardness (Mohs):
6
Cleavage:
Perfect
{110}
Density:
3.66 g/cm3 (Measured)    3.60 g/cm3 (Calculated)

Crystallography of Kanoite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 9.73Å, b = 8.93Å, c = 5.26Å
β = 108.56°
Ratio:
a:b:c = 1.09 : 1 : 0.589
Unit Cell Volume:
V 433.27 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Grains to 0.1mm
Twinning:
Polysynthetic twinning on {100} is common.
Comment:
Space group probable

Optical Data of Kanoite

Type:
Biaxial (+)
RI values:
nα = 1.715 nβ = 1.715 nγ = 1.728
2V:
Measured: 40° to 42°
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of Kanoite

Formula:
Mn2+(Mg,Mn2+)Si2O6
Essential elements:
All elements listed in formula:
Common Impurities:
Al,Fe,Ca,Na,K

Relationship of Kanoite to other Species

Other Members of Group:
AegirineNaFe3+Si2O6
Aegirine-augite(Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
Augite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ClinoenstatiteMgSiO3
ClinoferrosiliteFe2+SiO3
DiopsideCaMgSi2O6
EsseneiteCaFe3+[AlSiO6]
GrossmaniteCaTi3+ AlSiO6
HedenbergiteCaFe2+Si2O6
JadeiteNa(Al,Fe3+)Si2O6
Jervisite(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
JohannseniteCaMn2+Si2O6
KosmochlorNaCrSi2O6
KushiroiteCaAl[AlSiO6]
NamansiliteNaMn3+Si2O6
NatalyiteNa(V3+,Cr)Si2O6
Omphacite(Ca,Na)(Mg,Al)Si2O6
PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6
Pigeonite(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
SpodumeneLiAlSi2O6
9.DA.05Donpeacorite(Mn2+,Mg)Mg[SiO3]2
9.DA.05EnstatiteMgSiO3
9.DA.05FerrosiliteFeSiO3
9.DA.10ClinoenstatiteMgSiO3
9.DA.10ClinoferrosiliteFe2+SiO3
9.DA.10Pigeonite(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
9.DA.15Augite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
9.DA.15DiopsideCaMgSi2O6
9.DA.15EsseneiteCaFe3+[AlSiO6]
9.DA.15HedenbergiteCaFe2+Si2O6
9.DA.15JohannseniteCaMn2+Si2O6
9.DA.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6
9.DA.15DavisiteCaScAlSiO6
9.DA.15KushiroiteCaAl[AlSiO6]
9.DA.15GrossmaniteCaTi3+ AlSiO6
9.DA.20Aegirine-augite(Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
9.DA.20Omphacite(Ca,Na)(Mg,Al)Si2O6
9.DA.25AegirineNaFe3+Si2O6
9.DA.25JadeiteNa(Al,Fe3+)Si2O6
9.DA.25Jervisite(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
9.DA.25KosmochlorNaCrSi2O6
9.DA.25NamansiliteNaMn3+Si2O6
9.DA.25NatalyiteNa(V3+,Cr)Si2O6
9.DA.30SpodumeneLiAlSi2O6
14.18.1Nambulite(Li,Na)Mn4Si5O14(OH)
14.18.2Natronambulite(Na,Li)(Mn,Ca)4Si5O14OH
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
14.18.9Caryopilite(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
14.18.22OrientiteCa8Mn103+(SiO4)3(Si3O10)3(OH)10 · 4H2O
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 Kanoite

Name in Other Languages:
German:Kanoit
Russian:Каноит
Simplified Chinese:锰辉石
斜锰辉石
Spanish:Kanoita

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 Kanoite

Reference List:
Clark, J.R., D.E. Appleman, and J.J. Papike (1969) Crystal-chemical characterization of clinopyroxenes based on eight new structure refinements. MSA Special Paper 2: 31-50.

Kobayashi, H. (1977): Kanoite, (Mn2+,Mg)2[Si2O6], a new clinopyroxene in the metamorphic rock from Tatehira, Oshima Peninsula, Hokkaido, Japan. Chishitsugaku Zasshi 83, 537-542.

American Mineralogist (1978): 63: 595.

Canadian Mineralogist (1989): 27: 143.

Internet Links for Kanoite

Localities for Kanoite

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.
Australia
 
  • New South Wales
    • Yancowinna Co.
Birch, W. D., ed. (1999): The minerals of Broken Hill. Broken Hill City Council and Museum of Victoria, Broken Hill, Australia, 289 pp.
Finland
 
  • Western and Inner Finland Region
Heikkilä, Pasi 2003. Vittinki-ryhmän metaserttien geologia ja mineralogia Etelä-Pohjanmaalla. Pro gradu, matemaattis-luonnontieteellinen tiedekunta, Geologian laitos. Helsingin Yliopisto.
Japan (TL)
 
  • Hokkaido
    • Oshima peninsula
      • Kumaishi
Kobayashi, H. (1977): Kanoite, (Mn2+,Mg)2[Si2O6], a new clinopyroxene in the metamorphic rock from Tatehira, Oshima Peninsula, Hokkaido, Japan. Chishitsugaku Zasshi 83, 537-542.
  • Kyushu Region
    • Miyazaki Prefecture
      • Hinokage-cho
Gunnar Farber specimens.
Oman
 
  • Semail Ophiolite
    • Khawr Fakkan Massif
European Journal of Mineralogy, Vol. 9 , 953-964
USA
 
  • New York
    • St. Lawrence Co.
      • Balmat-Edwards Zinc District
NY State Museum spec. no. 13664
Mineral and/or Locality  
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