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Rosiaite

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Formula:
PbSb25+O6
System:
Trigonal
Colour:
Colourless, pale yellow
Lustre:
Resinous
Hardness:
Name:
Named after its discovery locality, the Le Cetine di Cotorniano Mine (Rosia), Chiusdino, Siena Province, Tuscany, Italy.
This page provides mineralogical data about Rosiaite.

Classification of Rosiaite

Approved
4.DH.25

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
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First Recorded Occurrence of Rosiaite

Place of Conservation of First Recorded Material:
University of Genova

Physical Properties of Rosiaite

Resinous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless, pale yellow
Streak:
White
Hardness (Mohs):
Tenacity:
Brittle
Cleavage:
Distinct/Good
{0001}
Parting:
Possible
Fracture:
Conchoidal
Density:
6.96 g/cm3 (Calculated)

Crystallography of Rosiaite

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3 1m
Cell Parameters:
a = 5.295(1) Å, c = 5.372(1) Å
Ratio:
a:c = 1 : 1.015
Unit Cell Volume:
V 130.44 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Flat tabular hexagonal crystals.
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.49 (vs)
2.688 (vw)
2.648 (m)
2.110 (w)
1.887 (w)
1.651 (w)
1.531 (w)

Optical Data of Rosiaite

Type:
Uniaxial (-)
RI values:
nω = 2.092() nε = 1.920(1)
Max Birefringence:
δ = 0.172
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Rosiaite

Formula:
PbSb25+O6
Essential elements:
All elements listed in formula:

Relationship of Rosiaite to other Species

4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6
4.DH.10KassiteCaTi2O4(OH)2
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6
4.DH.15Bariomicrolite (of Hogarth 1977)
4.DH.15Bariopyrochlore (of Hogarth 1977)
4.DH.15Betafite (of Hogarth 1977)
4.DH.15Bismutomicrolite (of Hogarth 1977)
4.DH.15Calciobetafite (of Mazzi & Munno)
4.DH.15Ceriopyrochlore (of Hogarth 1977)
4.DH.15Cesstibtantite
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)
4.DH.15Natrobistantite
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)
4.DH.15Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)
4.DH.15Yttrobetafite (of Hogarth 1977)
4.DH.15Yttropyrochlore (of Hogarth 1977)
4.DH.15Fluornatromicrolite(Na,Ca,Bi)2Ta2O6F
4.DH.15Bismutopyrochlore (of Chukanov et al.)
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7
4.DH.20BindheimitePb2Sb2O6O
4.DH.20Monimolite
4.DH.20CuproroméiteCu2Sb2(O,OH)7
4.DH.20StetefeldtiteAg2Sb2(O,OH)7
4.DH.20Stibiconite
4.DH.30ZirconoliteCaZrTi2O7
4.DH.35LiandratiteU(Nb,Ta)2O8
4.DH.35PetscheckiteUFe(Nb,Ta)2O8
4.DH.40IngersoniteCa3MnSb4O14
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2O

Other Names for Rosiaite

Name in Other Languages:
German:Rosiait
Spanish:Rosiaita

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 Rosiaite

Reference List:
Basso, R., Lucchetti, G., Zefiro, L. & Palenzona, A. (1996): Rosiaite, PbSb2O6, a new mineral from the Cetine mine, Siena, Italy. European Journal of Mineralogy: 8: 487-492.

Mineralogical Record: 28: 144.

Journal of Solid State Chemistry: 71: 12-18.

Internet Links for Rosiaite

Localities for Rosiaite

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.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
BLAß, G. & GRAF, H. W. (1997): Neue Mineralienfunde und Bestimmungen (17). - Mineralien-Welt, 8 (2), 16-19; WALENTA, K. (1999): Neue Mineralfunde von der Grube Clara. 8. Folge, 1. Teil. Lapis 24 (11), 34-37.
Italy
 
  • Friuli-Venezia Giulia
    • Udine Province
      • Forni Avoltri
Ciriotti, M.E., Möckel, S., Blaβ, G., Bortolozzi, G. (2006). Cualstibite: ritrovamenti italiani. MICRO (UK report), 2006, 19-24.
  • Tuscany
    • Grosseto Province
      • Manciano
Ciriotti, M.E., Fascio, L., Pasero, M. (2009): Italian Type Minerals. PLUS - University of Pisa, Ed., Pisa, 357 pp. Handbook of Mineralogy Vol III p 482
    • Siena Province
      • Chiusdino
Basso R., Lucchetti G., Zefiro L., Palenzona A., 1996. Rosiaite, PbSb2O6, a new mineral from the Cetine mine, Siena, Italy. Eur. J. Miner., 8: 478-492.
Spain
 
  • Valencian Community
    • Castellón
Mineralogía de la concesión San Rafael, Villahermosa del Río, Castellón, España
        • San Rafael claim
- Cócera, H., Menor-Salván, C. and Muñoz-Alvarado, R. (2010): Mineralogía de la concesión San Rafael, Villahermosa del Río, Castellón, España. Acopios, 1, 1-51. [http://mti-acopios.blogspot.com/ ; http://issuu.com/malacate/docs/acopios-1-1?mode=a_p]
UK
 
  • Wales
    • Conwy (Gwynedd; Caernarvonshire)
      • Deganwy
[J. Russell Soc. 2001 - 88]
Mineral and/or Locality  
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