Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Calcioaravaipaite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
PbCa2AlF9
System:
Triclinic
Colour:
colorless to white
Hardness:
Name:
Named in allusion to its relationship as the CALCIum analogue of Aravaipaite.
Closely related to Aravaipaite (which is Pb-dominant and contains an additional water molecule).

See also Unnamed (Ba-analogue of Calcioaravaipaite).

Classification of Calcioaravaipaite

Approved 1994
3.DC.37

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
mindat.org URL:
http://www.mindat.org/min-829.html
Please feel free to link to this page.

First Recorded Occurrence of Calcioaravaipaite

Physical Properties of Calcioaravaipaite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
colorless to white
Streak:
white
Hardness (Mohs):
Cleavage:
Distinct/Good
Good on the {100}
Fracture:
Conchoidal
Density:
4.85 g/cm3 (Measured)    4.62 g/cm3 (Calculated)

Crystallography of Calcioaravaipaite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 7.72Å, b = 7.51Å, c = 12.2Å
α = 98.86°, β = 96.91°, γ = 90°
Ratio:
a:b:c = 1.028 : 1 : 1.625
Unit Cell Volume:
V 694.88 ų
X-Ray Powder Diffraction Data:
d-spacingIntensity
11.9 (100)
3.71 (70)
3.51 (85)
2.981 (60)
2.943 (60)
2.028 (60)
1.971 (60)

Optical Data of Calcioaravaipaite

Type:
Biaxial (-)
RI values:
nα = 1.510 nβ = 1.528 nγ = 1.531
2V:
Measured: 36° , Calculated: 44°
Max Birefringence:
δ = 0.021
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r > v strong

Chemical Properties of Calcioaravaipaite

Formula:
PbCa2AlF9
Essential elements:
All elements listed in formula:

Relationship of Calcioaravaipaite to other Species

3.DC.05LaurionitePbCl(OH)
3.DC.05ParalaurionitePbCl(OH)
3.DC.10FiedleritePb3FCl4(OH) · H2O
3.DC.15PenfielditePb2Cl3(OH)
3.DC.20LaurelitePb7F12Cl2
3.DC.25Bismoclite(BiO)Cl
3.DC.25Daubréeite(BiO)(OH,Cl)
3.DC.25MatlockitePbFCl
3.DC.25RorisiteCaFCl
3.DC.25Zavaritskite(BiO)F
3.DC.25ZhangpeishaniteBaFCl
3.DC.30NadoritePbSbClO2
3.DC.30PeritePbBiClO2
3.DC.35AravaipaitePb3F3[AlF6] · H2O
3.DC.40ThorikositePb3Cl2(OH)(SbO3,AsO3)
3.DC.45MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2
3.DC.50BlixitePb2(O,OH)2Cl
3.DC.55PinalitePb3WO5Cl2
3.DC.60SymesitePb10(SO4)O7Cl4 · H2O
3.DC.65EcdemitePb6Cl4(As2O7)
3.DC.65HeliophyllitePb6Cl4(As2O7)
3.DC.70MendipitePb3Cl2O2
3.DC.75DamaraitePb3Cl(OH)O2
3.DC.80OnoratoiteSb8Cl2O11
3.DC.85CotunnitePbCl2
3.DC.90PseudocotunniteK2PbCl4
3.DC.95BarstowitePb4Cl6(CO3) · H2O

Other Names for Calcioaravaipaite

Name in Other Languages:

Other Information

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 Calcioaravaipaite

Reference List:
Kampf, A. R. and Foord, E. E. (1996): Calcioaravaipaite, a new mineral, and associated lead fluoride minerals from the Grand Reef mine, Graham County, Arizona. Mineralogical Record 27, 293-300.

Mineralogical Record: 28: 220.

Kampf, A. R., Merlino, S. & Pasero, M. (2003): Order-disorder approach to calcioaravaipaite, [PbCa2Al(F,OH)9]: The crystal structure of the triclinic MDO polytype. American Mineralogist 88, 430-435.

Kampf, A.R., Yang, H., Downs, R.T., Pinch, W.W. (2011): The crystal structures and Raman spectra of aravaipaite and calcioaravaipaite. American Mineralogist, 96, 402-407.

Internet Links for Calcioaravaipaite

Localities for Calcioaravaipaite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Italy
 
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
Campostrini, I., Gramaccioli, C. (2005): Artroeite del Monte Somma-Vesuvio: secondo ritrovamento mondiale. Riv. Mineral. Ital., 29, 1: 50-52. ; M. Russo & I. Campostrini (2011): Ammineite, matlockite and post 1944 eruption fumarolic minerals at Vesuvius. Plinius 37, 312.
USA
 
  • Arizona
    • Graham Co.
      • Aravaipa District
        • Santa Teresa Mts
          • Klondyke
            • Grand Reef Mountain
              • Laurel Canyon
Kampf, A.R. & E.E. Foord (1996), Calcioaravaipaite a new mineral and associated lead fluoride minerals from the Grand Reef Mine, Graham County, Arizona. Mineralogical Record: 27: 293-300; Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 3.
Mineral and/or Locality  
Copyright © mindat.org 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: February 1, 2015 11:49:37 Page generated: January 20, 2015 11:41:44