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Kannanite

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About KannaniteHide

Formula:
Ca4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6
Colour:
yellow, yellow-brown, orange
Hardness:
6
Specific Gravity:
3.43 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named for the type locality, Kannan Mountain, Japan.
The Ca analogue of ardennite-(V). Unique combination of elements.


Classification of KannaniteHide

Approved
Approval Year:
2016
First Published:
2018

Physical Properties of KannaniteHide

Colour:
yellow, yellow-brown, orange
Hardness:
Density:
3.43 g/cm3 (Calculated)

Chemical Properties of KannaniteHide

Formula:
Ca4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6
IMA Formula:
Ca4Al4(MgAl)(VO4)(SiO4)2(Si3O10)(OH)6

Crystallography of KannaniteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmmn
Setting:
Pmmn
Cell Parameters:
a = 8.881(1) Å, b = 5.992(1) Å, c = 18.879(2) Å
Ratio:
a:b:c = 1.482 : 1 : 3.151
Unit Cell V:
1004.7 ų

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.720(34)
3.234(37)
3.001(100)
2.809(35)
2.715(66)
2.657(67)
2.531(47)
2.306(37)

Type Occurrence of KannaniteHide

General Appearance of Type Material:
Grains to 15 µm
Place of Conservation of Type Material:
National Museum of Nature and Science, Tsukuba, Japan, specimen number NSM M-44527.
Geological Setting of Type Material:
Metasedimentary Fe-Mn ore.
Associated Minerals at Type Locality:
Reference:
Nishio-Hamane, D., Nagashima. M., Ogawa, N., and Minakawa, T. (2018) Kannanite, a new mineral from Kannan Mountain, Japan. Journal of Mineralogical and Petrological Sciences: 113: 245-250.

Synonyms of KannaniteHide

Relationship of Kannanite to other SpeciesHide

Member of:
Other Members of this group:
AlpeiteCa4Mn3+2Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6Orth. mmm (2/m 2/m 2/m) : Pmmn
Ardennite-(As)Mn2+4Al4(AlMg)(AsO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m)
Ardennite-(V)Mn2+4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6Orth. mmm (2/m 2/m 2/m) : Pmmn

Other InformationHide

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 KannaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Nishio-Hamane, D. and Minakawa, T. (2016) Kannanite, IMA 2015-100. CNMNC Newsletter No. 30, April 2016, page 408. Mineralogical Magazine: 80: 407–413.
Nishio-Hamane, D., Nagashima. M., Ogawa, N., and Minakawa, T. (2018) Kannanite, a new mineral from Kannan Mountain, Japan. Journal of Mineralogical and Petrological Sciences: 113: 245-250.

Internet Links for KannaniteHide

Localities for KannaniteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Japan (TL)
 
  • Ehime
    • Ouzu City
      • Uchiko
Nishio-Hamane, D. and Minakawa, T. (2016) Kannanite, IMA 2015-100. CNMNC Newsletter No. 30, April 2016, page 408; Mineralogical Magazine, 80, 407–413; Nishio-Hamane, D., Nagashima. M., Ogawa, N., and Minakawa, T. (2018) Kannanite, a new mineral from Kannan Mountain, Japan. Journal of Mineralogical and Petrological Sciences, 113, 245-250.
Mineral and/or Locality  
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