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Cervantite

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Formula:
Sb3+Sb5+O4
System:
Orthorhombic
Colour:
Yellow, off-white, ...
Hardness:
4 - 5
Name:
After the supposed locality at Cervantes, Province Lugo, Spain.
Dimorph of:
This page provides mineralogical data about Cervantite.

Classification of Cervantite

Approved
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
4.4.16.1

4 : SIMPLE OXIDES
4 : AX2
7.13.5

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

Year of Discovery:
1850

Physical Properties of Cervantite

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

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 Data:
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
Max Birefringence:
δ = 0.100
Image 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:
Sb3+Sb5+O4
Essential elements:
All elements listed in formula:

Relationship of Cervantite to other Species

Other Members of Group:
BismutocolumbiteBi(Nb,Ta)O4
BismutotantaliteBi(Ta,Nb)O4
ClinocervantiteSb3+Sb5+O4
StibiocolumbiteSb(Nb,Ta)O4
StibiotantaliteSb(Ta,Nb)O4
4.DE.05DowneyiteSeO2
4.DE.10Koragoite(Mn2+,Fe3+)3(Nb,Ta,Ti)2(Nb,Mn)2(W,Ta)2O20
4.DE.15KoechliniteBi2MoO6
4.DE.15RusselliteBi2WO6
4.DE.15TungstibiteSb23+WO6
4.DE.20TelluriteTeO2
4.DE.25ParatelluriteTeO2
4.DE.30BismutotantaliteBi(Ta,Nb)O4
4.DE.30BismutocolumbiteBi(Nb,Ta)O4
4.DE.30StibiotantaliteSb(Ta,Nb)O4
4.DE.30StibiocolumbiteSb(Nb,Ta)O4
4.DE.30ClinocervantiteSb3+Sb5+O4
4.DE.35BaddeleyiteZrO2
7.13.1ArsenoliteAs2O3
7.13.2ClaudetiteAs2O3
7.13.3SénarmontiteSb2O3
7.13.4ValentiniteSb2O3
7.13.6Stibiconite
7.13.7BahianiteAl5Sb3O14(OH)2
7.13.8Cualstibite-1M(Cu,Al)3(OH)6[Sb5+(OH)6]
7.13.9BismutostibiconiteBi(Sb5+,Fe3+)2O7
7.13.107.13.11StibivaniteSb2VO5
7.13.12BismiteBi2O3
7.13.13SilléniteBi12SiO20

Other Names for Cervantite

Name in Other Languages:
Simplified Chinese:黄锑矿
锑赭石
Spanish:Cervantita
Traditional Chinese:黃銻礦
銻赭石

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 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

Localities for Cervantite

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.
Mineral and/or Locality  
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