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Rossiantonite

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Formula:
Al
 
3
(PO
 
4
)(SO
 
4
)
 
2
(OH)
 
2
(H
 
2
O)
 
14
System:Triclinic


New structure type.
Structurally similar to the Sanjuanite-Destinezite Group.

Classification of Rossiantonite

IMA status:Approved
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Type Occurrence of Rossiantonite

Type Locality:Akopan-Dal Cin cave system, Chimantá Massif (Chimantha Massif), Bolívar, Venezuela
Place of Conservation of Type Material:Gemma University Museum of Modena and Reggio E. University, Modena, Italy, catalogue number 2/2012
Geological Setting of type material:Cave environment.

Crystallography of Rossiantonite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 10.3415Å, b = 10.9580Å, c = 11.1445Å
α = 86.968°, β = 65.757°, γ = 75.055°
Ratio:a:b:c = 0.944 : 1 : 1.017
Unit Cell Volume:V 1,110.58 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
10.16(32)
9.12(56)
8.02(40)
7.12(33)
5.00(29)
4.647(100)
4.006(53)
3.781(28)
Comments:From Type Description.

Chemical Properties of Rossiantonite

Formula:
Al
 
3
(PO
 
4
)(SO
 
4
)
 
2
(OH)
 
2
(H
 
2
O)
 
14
Simplified for copy/paste:Al3(PO4)(SO4)2(OH)2(H2O)14
Essential elements:Al, H, O, P, S
All elements listed in formula:Al, H, O, P, S

Relationship of Rossiantonite to other Species

Structurally related to group(s):
Sanjuanite-Destinezite Group

Other Names for Rossiantonite

Synonyms:
IMA2012-056
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rossiantonite

Reference List:

- +
Galli, E., Brigatti, M.F., Malferrari, D., Sauro, F. and De Waele, J. (2013) Rossiantonite, IMA 2012-056. CNMNC Newsletter No. 15, February 2013, page 5; Mineralogical Magazine, 77, 1-12.

Galli, E., Brigatti, M.F., Malferrari, D., Sauro, F., De Waele, J. (2013): Rossiantonite, Al3(PO4)(SO4)2(OH)2(H2O)10•4H2O, a new hydrated aluminum phosphate-sulfate mineral from Chimanta massif, Venezuela: Description and crystal structure. American Mineralogist, 98, 1906-1913.

Internet Links for Rossiantonite

Search Engines:
  • Look for Rossiantonite on Google
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  • External Links:
  • Look for Rossiantonite on Webmineral
  • Look for Rossiantonite on Athena Mineralogy
  • Look for Rossiantonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Rossiantonite

    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.
    Venezuela
     
    • Bolívar
      • Chimantá Massif (Chimantha Massif)
    Galli, E., Brigatti, M.F., Malferrari, D., Sauro, F. and De Waele, J. (2013) Rossiantonite, IMA 2012-056. CNMNC Newsletter No. 15, February 2013, page 5; Mineralogical Magazine, 77, 1-12; Galli, E., Brigatti, M.F., Malferrari, D., Sauro, F., De Waele, J. (2013): Rossiantonite, Al3(PO4)(SO4)2(OH)2(H2O)10•4H2O, a new hydrated aluminum phosphate-sulfate mineral from Chimanta massif, Venezuela: Description and crystal structure. American Mineralogist, 98, 1906-1913.
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