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Cervantite

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Formula:
Sb
3+
 
Sb
5+
 
O
 
4
System:OrthorhombicColour:Yellow, off-white, ...
Hardness:4 - 5
Member of:Cervantite Group
Name:After the supposed locality at Cervantes, Province Lugo, Spain.
Dimorph of:Clinocervantite
This page provides mineralogical data about Cervantite.

Classification of Cervantite

IMA status:Approved
Strunz 8th edition ID:4/D.25-10
Nickel-Strunz 10th (pending) edition ID:4.DE.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
E : With medium-sized cations; with various polyhedra
Dana 8th edition ID:4.4.16.1

4 : SIMPLE OXIDES
4 : AX2
Hey's CIM Ref.:7.13.5

7 : Oxides and Hydroxides
13 : Oxides of As, Sb and Bi
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Type Occurrence of Cervantite

Type Locality:Cervantes, Sierra de Ancares, Lugo, Galicia, Spain
Year of Discovery:1850

Physical Properties of Cervantite

Lustre:Greasy, Pearly, Earthy
Colour:Yellow, off-white, reddish-white; colourless in transmitted light
Streak:Light yellow, white
Hardness (Mohs):4 - 5
Density (measured):6.64 g/cm3

Crystallography of Cervantite

Crystal System:Orthorhombic
Cell Parameters:a = 5.43Å, b = 4.81Å, c = 11.76Å
Ratio:a:b:c = 1.129 : 1 : 2.445
Unit Cell Volume:V 307.15 ų (Calculated from Unit Cell)
Morphology:Minute acicular crystals. Massive.
X-Ray Powder Diffraction:
d-spacingIntensity
3.06 (10)
2.91 (7)
2.70 (6)
2.38 (6)
1.854 (7)
1.774 (6)
1.635 (7)

Optical Data of Cervantite

Type:Biaxial
RI values: nα = 2.000 nγ = 2.100
Maximum Birefringence:δ = 0.100

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:relatively weak

Chemical Properties of Cervantite

Formula:
Sb
3+
 
Sb
5+
 
O
 
4
Simplified for copy/paste:Sb3+Sb5+O4
Essential elements:O, Sb
All elements listed in formula:O, Sb

Relationship of Cervantite to other Species

Member of:Cervantite Group
Other Members of Group:

- +
Bismutocolumbite
Bi(Nb,Ta)O
 
4
Bismutotantalite
Bi(Ta,Nb)O
 
4
Clinocervantite
Sb
3+
 
Sb
5+
 
O
 
4
Stibiocolumbite
Sb(Nb,Ta)O
 
4
Stibiotantalite
Sb(Ta,Nb)O
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
4.DE.05Downeyite
SeO
 
2
4.DE.10Koragoite
(Mn
2+
 
,Fe
3+
 
)
 
3
(Nb,Ta,Ti)
 
2
(Nb,Mn)
 
2
(W,Ta)
 
2
O
 
20
4.DE.15Koechlinite
Bi
 
2
MoO
 
6
4.DE.15Russellite
Bi
 
2
WO
 
6
4.DE.15Tungstibite
Sb
3+
2
WO
 
6
4.DE.20Tellurite
TeO
 
2
4.DE.25Paratellurite
TeO
 
2
4.DE.30Bismutotantalite
Bi(Ta,Nb)O
 
4
4.DE.30Bismutocolumbite
Bi(Nb,Ta)O
 
4
4.DE.30Stibiotantalite
Sb(Ta,Nb)O
 
4
4.DE.30Stibiocolumbite
Sb(Nb,Ta)O
 
4
4.DE.30Clinocervantite
Sb
3+
 
Sb
5+
 
O
 
4
4.DE.35Baddeleyite
ZrO
 
2
Related Minerals - Hey's Index Grouping:

- +
7.13.1Arsenolite
As
 
2
O
 
3
7.13.2Claudetite
As
 
2
O
 
3
7.13.3Sénarmontite
Sb
 
2
O
 
3
7.13.4Valentinite
Sb
 
2
O
 
3
7.13.6Stibiconite
7.13.7Bahianite
Al
 
5
Sb
 
3
O
 
14
(OH)
 
2
7.13.8Cualstibite-1M
(Cu,Al)
 
3
(OH)
 
6
[Sb
5+
 
(OH)
 
6
]
7.13.9Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
7.13.107.13.11Stibivanite
Sb
 
2
VO
 
5
7.13.12Bismite
Bi
 
2
O
 
3
7.13.13Sillénite
Bi
 
12
SiO
 
20

Other Names for Cervantite

Synonyms:
Antimonial OchreAntimonous Acid
Other Languages:
German:Cervantit
Gelbantimonerz
Russian:Сервантит
Simplified Chinese:黄锑矿
锑赭石
Spanish:Cervantita
Traditional Chinese:黃銻礦
銻赭石

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 Cervantite

Reference List:

- +
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 595-597.

Gründer, W., H. Pä̈tzold, and H. Strunz (1962) Sb2O4 als Mineral (Cervantit). Neues Jahrb. Mineral., Monatsh., 93–98 (in German with English abs.). [Abs. in: American Mineralogist (1962): 47: 1221]

Thornton, G. (1977) A neutron diffraction study of α-Sb2O4. Acta Crystallogr., 33, 1271–1273.

European Journal of Mineralogy: 11: 95-100.

Internet Links for Cervantite

Search Engines:
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  • External Links:
  • Look for Cervantite on Webmineral
  • Look for Cervantite on Athena Mineralogy
  • Look for Cervantite on Wikipedia
  • Look for Cervantite on Mineralien Atlas[Link Broken?]
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cervantite details from Handbook of Mineralogy (PDF)
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  • Specimens:The following Cervantite specimens are currently listed for sale on minfind.com.

    Localities for Cervantite

    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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