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Rosiaite

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Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy
© luigi chiappino

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Formula:
PbSb
5+
2
O
 
6
System:TrigonalColour:Colourless, pale yellow
Lustre:ResinousHardness:5½
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

IMA status:Approved
Strunz 8th edition ID:4/D.30-05
Nickel-Strunz 10th (pending) edition ID: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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Type Occurrence of Rosiaite

Type Locality:Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy
Place of Conservation of Type Material:University of Genova

Physical Properties of Rosiaite

Lustre:Resinous
Diaphaneity (Transparency):Transparent
Colour:Colourless, pale yellow
Streak:White
Hardness (Mohs):5½
Tenacity:Brittle
Cleavage:Distinct/Good
{0001}
Parting:Possible
Fracture:Conchoidal
Density (calculated):6.96 g/cm3

Crystallography of Rosiaite

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:P3 1m {P3 1 2/m}
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:
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)
Maximum Birefringence:δ = 0.172

Chart 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:
PbSb
5+
2
O
 
6
Essential elements:O, Pb, Sb
All elements listed in formula:O, Pb, Sb

Relationship of Rosiaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DH.05Brannerite
(U
4+
 
,REE,Th,Ca)(Ti,Fe
3+
 
,Nb)
 
2
(O,OH)
 
6
4.DH.05Orthobrannerite
U
4+
 
U
6+
 
Ti
 
4
O
 
12
(OH)
 
2
4.DH.05Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
4.DH.10Kassite
CaTi
 
2
O
 
4
(OH)
 
2
4.DH.10Lucasite-(Ce)
CeTi
 
2
(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.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
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
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite (of Hogarth 1977)
4.DH.15Yttropyrochlore (of Hogarth 1977)
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore (of Chukanov et al)
4.DH.15Hydrokenoelsmoreite
◻
 
2
W
 
2
O
 
6
(H
 
2
O)
4.DH.20Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
4.DH.20Oxyplumboroméite
Pb
 
2
Sb
 
2
O
 
6
O
4.DH.20Monimolite
4.DH.20Cuproroméite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
4.DH.30Zirconolite
CaZrTi
 
2
O
 
7
4.DH.35Liandratite
U(Nb,Ta)
 
2
O
 
8
4.DH.35Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
4.DH.40Ingersonite
Ca
 
3
MnSb
 
4
O
 
14
4.DH.45Pittongite
Na
 
0.22
(W,Fe
3+
 
)(O,OH)
 
3
 · 0.44H
 
2
O

Other Names for Rosiaite

Synonyms:
IMA1995-021
Other Languages:
German:Rosiait
Russian:Розиаит
Spanish:Rosiaita

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 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

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Rosiaite details from Handbook of Mineralogy (PDF)
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    • Localities for Rosiaite

    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.
    Hide Locality List
    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
    		Probed
    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]
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