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Cetineite

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Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
© JM. Johannet

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Formula:
(K,Na)
 
6
Sb
3+
12
(Sb
3+
 
S
 
3
)
 
2
O
 
18
(OH)
 
0.5
 · 5,5H
 
2
O
System:HexagonalColour:Orange-red
Hardness:3½
Name:For the type locality.
This page provides mineralogical data about Cetineite.

Classification of Cetineite

IMA status:Approved 1986
Strunz 8th edition ID:2/F.11-30
Nickel-Strunz 10th (pending) edition ID:2.MA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
M : Oxysulfosalts
A : Oxysulfosalts of Alkalies and Alkali Earths
Dana 7th edition ID:2.13.3.1
Dana 8th edition ID:2.13.3.1

2 : SULFIDES
13 : Oxysulfides
Hey's CIM Ref.:24.1.2

24 : Antimonates and Antimonites
1 : Antimonates and antimonites of Na, Cu or Ag
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Type Occurrence of Cetineite

Type Locality:Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
Place of Conservation of Type Material:Smithsonian
Year of Discovery:1987
Geological Setting of type material:Antimony deposit on roasted ore that has been weathered.

Physical Properties of Cetineite

Lustre:Resinous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Orange-red
Streak:Orange
Hardness (Mohs):3½
Hardness (Vickers):VHN20=127 - 156 kg/mm2
Tenacity:Sectile
Cleavage:Distinct/Good
on {1000}
Density (calculated):4.21 g/cm3

Crystallography of Cetineite

Crystal System:Hexagonal
Class (H-M):6 - Pyramidal
Space Group:P63
Cell Parameters:a = 14.2513(3) Å, c = 5.5900(1) Å
Ratio:a:c = 1 : 0.392
Unit Cell Volume:V 983.22 ų (Calculated from Unit Cell)
Z:2
Morphology:Tufts of acicular crystals.

Optical Data of Cetineite

Type:Uniaxial (+)
Pleochroism:Weak
Comments:From orange to slightly orange-brown

Chemical Properties of Cetineite

Formula:
(K,Na)
 
6
Sb
3+
12
(Sb
3+
 
S
 
3
)
 
2
O
 
18
(OH)
 
0.5
 · 5,5H
 
2
O
Essential elements:H, K, O, S, Sb
All elements listed in formula:H, K, Na, O, S, Sb
Common Impurities:S,Si

Relationship of Cetineite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.MA.05Ottensite
(Na,K)
 
3
Sb
3+
6
(Sb
3+
 
S
 
3
)O
 
9
 · 3H
 
2
O
2.MA.10Sarabauite
CaSb
3+
10
S
 
6
O
 
10
Related Minerals - Hey's Index Grouping:

- +
24.1.1Mopungite
Na[Sb
5+
 
(OH)
 
6
]
24.1.3Cuproroméite
Cu
 
2
Sb
 
2
(O,OH)
 
7
24.1.4Cualstibite
Cu
 
2
Al[Sb
5+
 
(OH)
 
6
](OH)
 
6
24.1.5Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7

Other Names for Cetineite

Synonyms:
IMA1986-019
Other Languages:
German:Cetineit
Russian:Цетинеит
Spanish:Cetineita

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 Cetineite

Reference List:

- +
Neues Jahrbuch für Mineralogie, Monatshefte (1987): 419.

American Mineralogist: 73: 398-404.

American Mineralogist: 74: 1399-1400.

Internet Links for Cetineite

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

    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.
    China
     
    Hedegaard, K. (2004): Ethics on the rocks: Mineralientage München 2004. Mineral News, 20, 1-6.
    Italy
     
    • Sardinia
      • Cagliari Province
        • Ballao
    		Conti - Vecchi, G., Stara, P., (1991) :Minerali della Sardegna.Della Torre editore.Cagliari, 276 pp.
        • Villasalto
    		AA. VV., 1996. Collezionare minerali. Hobby & Work.
    • Tuscany
      • Grosseto Province
        • Manciano
          • La Campigliola
    		Nat. Hist. Mus. Vienna collection
    AA. VV., 1996. Collezionare minerali. Hobby & Work.
      • Siena Province
        • Chiusdino
    		Brizzi G., Ciselli I, Santucci A. (1988) - Cetineite ed altre novità dalle Cetine di Cotorniano - Riv. Miner. Ital., Milano, fasc. 3, pp.73-82
    Luxembourg
     
    • Goesdorf commune
      • Goesdorf
    		Simon Philippo analysis (to be published)
    Mineral and/or Locality
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