| Cervantite Mineral Data |
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- 4.4.16.1 Cervantite SbSbO4 Pbn21 mm2
- 4.4.16.2 Clinocervantite! SbSbO4 C 2/c 2/m
- IV/D.25-05 Clinocervantite! SbSbO4 C 2/c 2/m
- IV/D.25-10 Cervantite SbSbO4 Pbn21 mm2
- IV/D.25-20 Stibiocolumbite SbNbO4 Pc21n mm2
- IV/D.25-30 Stibiotantalite SbTaO4 Pc21n mm2
- IV/D.25-35 Bismutocolumbite Bi(Nb,Ta)O4 Pcnn 2/m 2/m 2/m
- IV/D.25-40 Bismutotantalite Bi(Ta,Nb)O4 Pcmn 2/m 2/m 2/m
- IV/D.25-70 Chiluite Bi6Te2Mo2O21 P 6322, P 63/m, P 63 Hex
General Cervantite Information |
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 Chemical Formula: |
Sb+++Sb+++++O4 | ||
| Composition: |
Molecular Weight = 307.50 gm | ||
| Antimony 79.19 % Sb 47.40 % Sb2O3 / 52.60 % Sb2O5 | |||
| Oxygen 20.81 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
SbSbO4 | ||
| Environment: |
Alteration product of stibnite. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1850 | ||
| Locality: |
Cervantes, Spain. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after its locality. | ||
| Synonym: |
ICSD 63271 | ||
| PDF Nov-45 | |||
Cervantite Image | |||
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Images:
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Cervantite Crystallography |
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| Axial Ratios: |
a:b:c =1.1301:1:2.4449 | ||
| Cell Dimensions: |
a = 5.436, b = 4.81, c = 11.76, Z = 4; V = 307.49 Den(Calc)= 6.64 | ||
| Crystal System: |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pbn21 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.06(1), 1.854(0.7), 2.91(0.7), | ||
Physical Properties of Cervantite |
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| Cleavage: |
[001] Perfect | ||
| Color: |
Yellow, Yellowish orange, White, Cream. | ||
| Density: |
6.4 - 6.6, Average = 6.5 | ||
| Diaphaniety: |
Transparent to translucent | ||
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
| Habit: |
Acicular - Occurs as needle-like crystals. | ||
| Habit: |
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite). | ||
| Habit: |
Reniform - "Kidney like" in shape (e.g.. hematite). | ||
| Hardness: |
4-5 - Fluorite-Apatite | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
light yellow | ||
Optical Properties of Cervantite |
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| Optical Data: |
Biaxial (?), a=2, g=2.1, bire=0.1000 | ||
Calculated Properties of Cervantite |
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| Electron Density: |
relectron=5.79 gm/cc |
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| Fermion Index |
Fermion Index = 0.00009 Boson Index = 0.99991 |
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| Photoelectric: |
PECervantite = 267.22 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cervantite is Not Radioactive |
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Cervantite Classification |
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| Dana Class: |
4.4.16.1 (4)Simple Oxides | ||
| (4.4)with a cation charge of 4+ (A++++ O2) | |||
| (4.4.16)Dana Group | |||
| Strunz Class: |
IV/D.25-10 IV - Oxides | ||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.25 - Cervantite - Chiluite series | |||
Other Cervantite Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Cervantite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Cervantite using: Visit our Advertisers for Cervantite : Translate Cervantite Mineral Data : Ask about Cervantite here : Print or Cut-and-Paste your Cervantite Specimen Label here :
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