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Kannanite

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Formula:
Ca4Al4(AlMg)(VO4)(SiO4)2(Si3O10)(OH)6
Colour:
yellow, yellow-brown, orange
Crystal System:
Orthorhombic
Member of:
The Ca analogue of ardennite-(V). Unique combination of elements.


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Classification of KannaniteHide

Approved, Pending publication
Approval Year:
2016

Physical Properties of KannaniteHide

Colour:
yellow, yellow-brown, orange

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:
1,004.65 ų (Calculated from Unit Cell)

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

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:

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.

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)
 
  • Shikoku Island
    • Ehime Prefecture
      • 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.
Mineral and/or Locality  
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