Kanoite Mineral Data
General Kanoite Information
Chemical Formula:
(Mn++,Mg)2Si2O6
Composition:
Molecular Weight = 246.73 gm
Magnesium 4.93 % Mg 8.17 % MgO
Manganese 33.40 % Mn 43.13 % MnO
Silicon 22.77 % Si 48.71 % SiO2
Oxygen 38.91 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Mn2+ 1.5 Mg0.5 Si2 O6
Environment:
In a seam cutting a pyroxmangite-cummingtonite metamorphic rock.
IMA Status:
Approved IMA 1977
Locality:
From near Tatehira, Oshima Peninsula, Hokkaido, Japan. Link to MinDat.org Location Data.
Name Origin:
Named for Hiroshi Kano, Professor of Petrology, Akita University, Akita, Japan.
Name Pronunciation:
Kanoite
Synonym:
ICSD 100757
PDF 29-865
Kanoite Image
Images:
Kanoite Crystallography
Axial Ratios:
a:b:c =1.0894:1:0.5884
Cell Dimensions:
a = 9.739, b = 8.939, c = 5.26, Z = 4; beta = 108.56° V = 434.10 Den(Calc)= 3.77
Crystal System:
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21 /c
X Ray Diffraction:
By Intensity(I/Io ): 3.21(1), 2.91(0.9), 3.02(0.9),
Physical Properties of Kanoite
Cleavage:
{???} Perfect
Color:
Pink brown, Reddish brown.
Density:
3.66
Diaphaneity:
Transparent to Translucent
Hardness:
6-7 - Orthoclase-Quartz
Luster:
Vitreous (Glassy)
Streak:
light brown
Optical Properties of Kanoite
Gladstone-Dale:
CI meas = 0.03 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = 0.058 (Good) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1908,KPDmeas = 0.1965,KC = 0.2026 Ncalc = 1.74 - 1.76
Optical Data:
Biaxial (+), a=1.715, b=1.715, g=1.728, bire=0.0130, 2V(Calc)=0, 2V(Meas)=40-42.
Calculated Properties of Kanoite
Electron Density:
Bulk Density (Electron Density)=3.55 gm/cc note: Specific Gravity of Kanoite =3.66 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEKanoite = 9.51 barns/electronU=PEKanoite x r Electron Density= 33.73 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kanoite is Not Radioactive
Kanoite Classification
Dana Class:
65.01.01.03 (65) Inosilicate Single-Width Unbranched Chains, W=1
(65.01) with chains P=2
(65.01.01) P2/c clinopyroxenes
65.01.01.01 Clinoenstatite Mg2Si2O6 P 21 /c 2/m
65.01.01.02 Clinoferrosilite (Fe,Mg)2Si2O6 P 21 /c 2/m
65.01.01.03 Kanoite (Mn,Mg)2Si2O6 P 21 /c 2/m
65.01.01.04 Pigeonite (Mg,Fe,Ca)(Mg,Fe)Si2O6 P 21 /c 2/m
Strunz Class:
09.DA.10 09 - SILICATES (Germanates)
09.D - Inosilicates* Structural terminology according to Liebau (1985)
09.DA -Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
09.DA.10 Clinoenstatite Mg2Si2O6 P 21 /c 2/m
09.DA.10 Clinoferrosilite (Fe,Mg)2Si2O6 P 21 /c 2/m
09.DA.10 Kanoite (Mn,Mg)2Si2O6 P 21 /c 2/m
09.DA.10 Pigeonite (Mg,Fe,Ca)(Mg,Fe)Si2O6 P 21 /c 2/m
Other Kanoite Information
References:
NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Kanoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Kanoite
(Mn++,Mg)2Si2O6
Dana No: 65.01.01.03 Strunz No: 09.DA.10
Locality:
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