Kanoite (original) (raw)

A valid IMA mineral species

About KanoiteHide

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Formula:

Mn2+(Mg,Mn2+)Si2O6

Crystal System:

Monoclinic

Name:

Named in honor of Hiroshi Kano (加納 博教授) (9 September 1914, Tokyo, Japan - 5 June 2009), Professor of Petrology, Akita University, for "his geological and petrographical contributions to metamorphic rocks in Japan especially those forming the basement of the Japanese Islands."

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2154:4

0767aca4-a910-402f-9f92-a3ccc6b46b97

IMA Classification of KanoiteHide

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Type description reference:

Classification of KanoiteHide

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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

Mineral SymbolsHide

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

Physical Properties of KanoiteHide

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Transparency:

Transparent, Translucent

Streak:

Pale brown to white

Density:

3.66 g/cm3 (Measured) 3.60 g/cm3 (Calculated)

Optical Data of KanoiteHide

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RI values:

_n_α = 1.715 _n_β = 1.715 _n_γ = 1.728

δ = 0.013

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Optical Extinction:

Y = b; Z ∧ c = 42°.

Chemistry of KanoiteHide

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Mindat Formula:

Mn2+(Mg,Mn2+)Si2O6

Common Impurities:

Al,Fe,Ca,Na,K

Crystallography of KanoiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 9.73 Å, b = 8.93 Å, c = 5.26 Å
β = 108.56°

Ratio:

a:b:c = 1.09 : 1 : 0.589

Unit Cell V:

433.27 ų (Calculated from Unit Cell)

Morphology:

Grains to 0.1 mm.

Twinning:

Polysynthetic twinning on {100} is common.

Comment:

Space group probable

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0000806	Kanoite	Gordon W A, Peacor D R, Brown P E, Essene E J, Allard L F (1981) Exsolution relationship in a clinopyroxene of average composition Ca0.43Mn0.69Mg0.82Si2O6: X-ray diffraction and analytical electron microscopy American Mineralogist 66 127-141		1981	0	293
0002049	Kanoite	Arlt T, Angel R J, Miletich R, Armbruster T, Peters T (1998) High-pressure P2_1/c-C2/c phase transitions in clinopyroxenes: Influence of cation size and electronic structure American Mineralogist 83 1176-1181		1998	0	293
0002050	Kanoite	Arlt T, Angel R J, Miletich R, Armbruster T, Peters T (1998) High-pressure P2_1/c-C2/c phase transitions in clinopyroxenes: Influence of cation size and electronic structure American Mineralogist 83 1176-1181		1998	5.2	293
0006620	Kanoite	Gnos E, Armbruster T, Nyfeler D (1996) Kanoite, donpeacorite and tirodite: Mn-Mg-silicates from a manganiferous quartzite in the United Arab Emirates European Journal of Mineralogy 8 251-261	1996	manganiferous quartzite in the United Arab Emirates	0	293
0006698	Kanoite	Arlt T, Armbruster T (1997) The temperature-dependent P2_1/c - C2/c phase transition in the clinopyroxene kanoite MnMg[Si2O6]: a single-crystal X-ray and optical study European Journal of Mineralogy 9 953-964	1997	0	473
0006699	Kanoite	Arlt T, Armbruster T (1997) The temperature-dependent P2_1/c - C2/c phase transition in the clinopyroxene kanoite MnMg[Si2O6]: a single-crystal X-ray and optical study European Journal of Mineralogy 9 953-964	1997	0	543

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Tatehira, Japan. Data from the type description.

Geological EnvironmentHide

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Type Occurrence of KanoiteHide

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General Appearance of Type Material:

Grains to 0.1 X 0.1 mm in maximum.

Place of Conservation of Type Material:

National Science Museum, Tokyo, Japan.

Geological Setting of Type Material:

Seam cutting a pyroxmangite-cummingtonite metamorphic rock.

Associated Minerals at Type Locality:

Reference:

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.

Other Language Names for KanoiteHide

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Relationship of Kanoite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 KanoiteHide

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References for KanoiteHide

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Localities for KanoiteHide

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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

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- 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.