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Lusernaite-(Y)

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Formula:
Y4Al(CO3)2(OH)10F · 6H2O
System:
Orthorhombic
Colour:
colorless
Name:
For the type locality and the Levinson suffix for it's Y content.
This page provides mineralogical data about Lusernaite-(Y).

Classification of Lusernaite-(Y)

Approved
Approval Year:
2012
mindat.org URL:
http://www.mindat.org/min-42734.html
Please feel free to link to this page.

Type Occurrence of Lusernaite-(Y)

General Appearance of Type Material:
thin platelets with a rough hexagonal outline.
Place of Conservation of Type Material:
Museo di Storia Naturale e del Territorio, Università di Pisa, Calci (Pisa), Italy, catalogue number 19445, and the Museo Regionale di Scienze Naturali, Turin, Italy, catalogue number 15901
Geological Setting of Type Material:
late stage fractures in orthogneiss

Physical Properties of Lusernaite-(Y)

Pearly
Diaphaneity (Transparency):
Transparent
Colour:
colorless
Streak:
white
Tenacity:
Brittle
Cleavage:
Perfect
perfect {010} and another probable on {100}
Density:
2.810 g/cm3 (Calculated)

Crystallography of Lusernaite-(Y)

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Space Group Setting:
Pnma
Cell Parameters:
a = 7.839(2) Å, b = 11.023(2) Å, c = 11.383(2) Å
Ratio:
a:b:c = 0.711 : 1 : 1.033
Unit Cell Volume:
V 983.60 ų (Calculated from Unit Cell)
Z:
2
Comment:
New structure type
X-Ray Powder Diffraction Data:
d-spacingIntensity
11.02 (100)
7.90 (49)
6.41 (15)
5.66 (25)
5.06 (24)
4.258 (33)
3.195 (27)
3.095 (21)

Optical Data of Lusernaite-(Y)

Type:
Biaxial (+)
Comments:
alpha index could not be measured. Low 2V value.

Chemical Properties of Lusernaite-(Y)

Formula:
Y4Al(CO3)2(OH)10F · 6H2O
All elements listed in formula:

Other Names for Lusernaite-(Y)

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 Lusernaite-(Y)

Reference List:
Biagioni, C., Bonaccorsi, E., Cámara, F., Cadoni, M., Ciriotti, M.E., Bersani, D., Kolitsch, U. (2012) Lusernaite-(Y), IMA 2011-108. CNMNC Newsletter No. 13, June 2012, page 811; Mineralogical Magazine, 76, 807-817.

C. Biagioni, E. Bonaccorsi, F. Cámara, M. Cadoni, M. E. Ciriotti, D. Bersani and U. Kolitsch (2012): Lusernaite-(Y), Y4Al(CO3)2(OH)10F∙6H2O, a new mineral from Piedmont, Italy. M&M7, 7th Intern. Conf. on Mineralogy & Museums, Dresden, Germany, August 27 - 29, 2012; Program and Abstracts Volume, 85-86.

Biagioni, C., Bonaccorsi, E., Cámara, F., Cadoni, M., Ciriotti, M. E., Bersani, D., & Kolitsch, U. (2013). Lusernaite-(Y), Y4Al (CO3) 2 (OH, F) 11· 6H2O, a new mineral species from Luserna Valley, Piedmont, Italy: Description and crystal structure. American Mineralogist, 98(7), 1322-1329.

Internet Links for Lusernaite-(Y)

Localities for Lusernaite-(Y)

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
 
  • Piedmont
    • Cuneo Province
      • Bagnolo Piemonte
        • Ortieul
Giuseppe Finello 06/2012 - Confirmed by SEM EDS and SXRD
    • Torino Province
      • Luserna San Giovanni
        • Luserna Valley Quarries
Biagioni, C., Bonaccorsi, E., Cámara, F., Cadoni, M., Ciriotti, M.E., Bersani, D., Kolitsch, U. (2012) Lusernaite-(Y), IMA 2011-108. CNMNC Newsletter No. 13, June 2012, page 811; Mineralogical Magazine, 76, 807-817.
Mineral and/or Locality  
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