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Aniyunwiyaite

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About AniyunwiyaiteHide

Formula:
Ca3Mn2+Fe2+Al4(PO4)6(OH)4·12H2O
Crystal System:
Triclinic
Related to montgomeryite group. Another mineral of this type from the Foote Lithium Co. mine dump after fanfaniite. The latter is, however, a member of the group.

Unique combination of elements (although somewhat related to rittmannite and some other species).

Stoichiometrically/chemically but not structurally a Ca3Mn analogue of kingsmountite (not a true analogue).


Classification of AniyunwiyaiteHide

Approved, Pending publication
Approval Year:
2018

Chemical Properties of AniyunwiyaiteHide

Formula:
Ca3Mn2+Fe2+Al4(PO4)6(OH)4·12H2O

Crystallography of AniyunwiyaiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.255(3) Å, b = 13.197(4) Å, c = 19.410(5) Å
α = 106.817(7)°, β = 90.81(2)°, γ = 90.65(2)°
Ratio:
a:b:c = 0.474 : 1 : 1.471
Unit Cell V:
1,533.37 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.28(30)
5.150(100)
4.402(16)
2.955(39)
2.913(17)
2.630(59)
1.852(14)
1.748(17)

Type Occurrence of AniyunwiyaiteHide

Place of Conservation of Type Material:
Mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 66773 (holotype) and 66774 (cotype)

Synonyms of AniyunwiyaiteHide

Relationship of Aniyunwiyaite to other SpeciesHide

Structurally related to group(s):
Montgomeryite GroupA group of chemically complex phosphates.

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 AniyunwiyaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grey, I.E., Kampf, A.R., Smith, J.B. and Macrae, C.M. (2018) Aniyunwiyaite, IMA 2018-054. CNMNC Newsletter No. 45, October 2018: page xxx; Mineralogical Magazine: 82: xxx-xxx; http://forum.amiminerals.it/viewtopic.php?f=5&t=14984

Internet Links for AniyunwiyaiteHide

Localities for AniyunwiyaiteHide

ⓘ - 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.
USA (TL)
 
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Grey, I.E., Kampf, A.R., Smith, J.B. and Macrae, C.M. (2018) Aniyunwiyaite, IMA 2018-054. CNMNC Newsletter No. 45, October 2018: page xxx; Mineralogical Magazine: 82: xxx-xxx
Mineral and/or Locality  
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