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Rosiaite

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Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy
© Thomas Witzke

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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:Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena 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

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+
 
,Ca)(Ti,Fe
3+
 
)
 
2
O
 
6
4.DH.05Orthobrannerite
UTi
 
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.15Alumotungstite
(W,Al)(O,OH)
 
3
4.DH.15Bariomicrolite
Ba(Ta,Nb)
 
2
(O,OH)
 
7
4.DH.15Bariopyrochlore
(Ba,Sr)
 
2
(Nb,Ti)
 
2
(O,OH)
 
7
4.DH.15Betafite
(Ca,U)
 
2
(Ti,Nb)
 
2
O
 
6
(OH)
4.DH.15Bismutomicrolite
(Bi,Ca)(Ta,Nb)
 
2
O
 
6
(OH)
4.DH.15Calciobetafite
(Ca,RE,Th,U)
 
2
(Nb,Ta,Ti)
 
2
O
 
7
4.DH.15Ceriopyrochlore-(Ce)
(Ce,Ca,Y)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Cesstibtantite
(Cs,Na)SbTa
 
4
O
 
12
4.DH.15Ferritungstite
(W,Fe
3+
 
)(O,OH)
 
3
4.DH.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Kalipyrochlore
(K,Sr)
 
2-x
Nb
 
2
O
 
6
(O,OH)·nH
 
2
O
4.DH.15Microlite
(Ca,Na)
 
2
Ta
 
2
O
 
6
(O,OH,F)
4.DH.15Natrobistantite
(Na,Cs)Bi(Ta,Nb,Sb)
 
4
O
 
12
4.DH.15Plumbopyrochlore
(Pb,Y,U,Ca)
 
2-x
Nb
 
2
O
 
6
(OH)
4.DH.15Plumbomicrolite
(Pb,Ca,U)
 
2
Ta
 
2
O
 
6
(OH)
4.DH.15Plumbobetafite
(Pb,U,Ca)(Ti,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Pyrochlore
(Ca,Na)
 
2
Nb
 
2
O
 
6
(OH,F)
4.DH.15Stibiomicrolite
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
4.DH.15Strontiopyrochlore
(Sr,Ce,Ca)
 
0.66
(Nb,Fe)
 
2
(O,OH)
 
7
4.DH.15Stannomicrolite
(Sn,Fe,Mn)
 
2
(Ta,Nb,Sn)
 
2
(O,OH)
 
7
4.DH.15Stibiobetafite
(Sb,Ca)
 
2
(Ti,Nb,Ta)
 
2
(O,OH)
 
7
4.DH.15Uranmicrolite
(U,Ca,Ce)
 
2
(Ta,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite-(Y)
(Y,U,Ce)
 
2
(Ti,Nb,Ta)
 
2
O
 
6
OH
4.DH.15Yttropyrochlore-(Y)
(Y,Na,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore
(Bi,U,Ca,Pb)
 
1+x
(Nb,Ta)
 
2
O
 
6
(OH)·nH
 
2
O
4.DH.15Thorian Pyrochlore
4.DH.15Elsmoreite
WO
 
3
·0.5H
 
2
O
4.DH.20Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
4.DH.20Bindheimite
Pb
 
2
Sb
 
2
O
 
6
(O,OH)
4.DH.20Monimolite
(Pb,Ca,Fe)
 
3
Sb
 
2
O
 
7
4.DH.20Partzite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Roméite
(Ca,Fe,Mn,Na)
 
2
(Sb,Ti)
 
2
O
 
6
(O,OH,F)
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
SbSb
 
2
O
 
6
(OH)
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
German names:
Rosiait
Russian names:
Розиаит
Spanish names:
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

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  • Raman and XRD data at RRUFF project
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  • Rosiaite details from Handbook of Mineralogy (PDF)
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    Localities for Rosiaite

    Hide Locality List
    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.
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    (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
    		Handbook of Mineralogy Vol III p 482; C. Lemanski, Jr. collection (6791CL).
      • 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.
    UK
     
    • Wales
      • Conwy (Gwynedd; Caernarvonshire)
        • Deganwy
    		[J. Russell Soc. 2001 - 88]
    Mineral and/or Locality
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