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Packratite

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Formula:
Ca11(As3+V5+10V4+2As5+6O51)2 · 83H2O
Crystal System:
Triclinic
New structure type.


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Classification of PackratiteHide

Approved, Pending publication
Approval Year:
2014

Chemical Properties of PackratiteHide

Formula:
Ca11(As3+V5+10V4+2As5+6O51)2 · 83H2O

Crystallography of PackratiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 18.0572(4) Å, b = 19.4126(4) Å, c = 24.0586(17) Å
α = 87.364(6)°, β = 86.266(6)°, γ = 79.267(6)°
Ratio:
a:b:c = 0.93 : 1 : 1.239
Unit Cell V:
8,263.37 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
14.50(49)
12.13(49)
10.53(100)
7.45(20)
6.61(16)
2.939(22)
2.846(19)
2.732(22)

Type Occurrence of PackratiteHide

Place of Conservation of Type Material:
Type material is deposited in the collections of he Natural History Museum of Los Angeles County,California, USA, catalogue numbers 64513 and 64514

Synonyms of PackratiteHide

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 PackratiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A. R., Hughes, J. M., Marty, J., and Nash, B. P., 2014. Packratite, Ca11(As3+V5+10V4+2As5+6O51)2·83H2O. New mineral approved by the Commission on New Minerals, Nomenclature and Classification (CNMNC) of the International Mineralogical Association (IMA) IMA No. 2014–059.
Kampf, A.R., Hughes, J.M., Marty, J. and Nash, B.P. (2014) Packratite, IMA 2014-059. CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78,1241-1248.

Internet Links for PackratiteHide

Localities for PackratiteHide

ⓘ - 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)
 
  • Colorado
    • Mesa Co.
      • Gateway District
        • Gateway
Kampf, A.R., Hughes, J.M., Marty, J. and Nash, B.P. (2014) Packratite, IMA 2014- 059. CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78, 1241; Natural History Museum of Los Angeles County, type specimens # 64513 und 64514.; Kampf, A.R., Nash, B.P., Marty, J., Hughes, J.M. (2016): Mesaite, CaMn2+5(V2O7)3·12H2O, a new vanadate mineral from the Packrat mine, near Gateway, Mesa County, Colorado, USA. Mineralogical Magazine: 80: (in press)
Mineral and/or Locality  
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