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Cerchiaraite-(Al)

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Formula:
Ba
 
4
Al
 
4
O
 
3
(OH)
 
3
(Si
 
4
O
 
12
)[Si
 
2
O
 
3
(OH)
 
4
]Cl
System:Tetragonal
Member of:Cerchiaraite Group


Al analogue of cerchiaraite

Classification of Cerchiaraite-(Al)

IMA status:Approved 2012
mindat.org URL:http://www.mindat.org/min-42782.html
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Type Occurrence of Cerchiaraite-(Al)

Co-type Localities:Esquire No. 7 claim, Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA
Esquire No. 8 claim (Lander's Gillespite locality), Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA
Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA
Place of Conservation of Type Material:Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue numbers 63519, 63517 and 63518

Crystallography of Cerchiaraite-(Al)

Crystal System:Tetragonal
Class (H-M):4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:I4/mmm {I4/m 2/m 2/m}
Cell Parameters:a = 14.317(4) Å, c = 6.0037(18) Å
Ratio:a:c = 1 : 0.419
Unit Cell Volume:V 1,230.62 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
10.15(39)
4.407(39)
3.316(74)
3.009(100)
2.580(93)
2.029(43)
1.880(68)
1.403(54)

Chemical Properties of Cerchiaraite-(Al)

Formula:
Ba
 
4
Al
 
4
O
 
3
(OH)
 
3
(Si
 
4
O
 
12
)[Si
 
2
O
 
3
(OH)
 
4
]Cl
Simplified for copy/paste:Ba4Al4O3(OH)3(Si4O12)[Si2O3(OH)4]Cl
Essential elements:Al, Ba, Cl, H, O, Si
All elements listed in formula:Al, Ba, Cl, H, O, Si

Relationship of Cerchiaraite-(Al) to other Species

Member of:Cerchiaraite Group
Other Members of Group:

- +
Cerchiaraite-(Fe)
Ba
 
4
Fe
3+
4
O
 
3
(OH)
 
3
(Si
 
4
O
 
12
)[Si
 
2
O
 
3
(OH)
 
4
]Cl
Cerchiaraite-(Mn)
Ba
 
4
Mn
 
4
Si
 
6
(O,OH,Cl)
 
26

Other Names for Cerchiaraite-(Al)

Synonyms:
IMA2012-011
Other Languages:

Other Information

Health Warning:Kampf, A.R., Roberts, A.C., Venance, K.E., Dunning, G.E. and Walstrom, R.E. (2012): Cerchiaraite-(Al), IMA 2012-011. CNMNC Newsletter No. 13, June 2012, page 815; Mineralogical Magazine, 76, 807-817

Kampf, A. R., Roberts, A. C., Venance, K. E., Carbone, C., Belmonte, D., Dunning, G. E., Walstrom, R. E. (2013): Cerchiaraite-(Fe) and cerchiaraite-(Al), two new barium cyclosilicate chlorides from Italy and California, USA. Mineralogical Magazine 77, 69-80.

Internet Links for Cerchiaraite-(Al)

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  • Raman and XRD data at RRUFF project
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  • Localities for Cerchiaraite-(Al)

    The 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. ? 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.
    Canada
     
    • Yukon Territory
      • Watson Lake Mining District
        • Itsi Mt.
          • Wilson lake
    McNeil, L.A., Peterson, R.C., Färber, G., Groat, L. & Witzke, T. (2013) Mineralogical studies of a low-temperature barium-rich skarn deposit, Gunn claim, Yukon Territory. Abstract with Program, Min. Ass. Canada Annual Mtg. Winnipeg, May 2013.
    USA
     
    • California
      • Fresno Co.
        • Big Creek-Rush Creek District
          • Rush Creek deposit
            • Big Creek
    Kampf, A.R., Roberts, A.C., Venance, K.E., Dunning, G.E. and Walstrom, R.E. (2012): Cerchiaraite-(Al), IMA 2012-011. CNMNC Newsletter No. 13, June 2012, page 815; Mineralogical Magazine, 76, 807-817
    Kampf, A.R., Roberts, A.C., Venance, K.E., Dunning, G.E. and Walstrom, R.E. (2012): Cerchiaraite-(Al), IMA 2012-011. CNMNC Newsletter No. 13, June 2012, page 815; Mineralogical Magazine, 76, 807-817
            • Rush Creek
    Kampf, A.R., Roberts, A.C., Venance, K.E., Dunning, G.E. and Walstrom, R.E. (2012): Cerchiaraite-(Al), IMA 2012-011. CNMNC Newsletter No. 13, June 2012, page 815; Mineralogical Magazine, 76, 807-817
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