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Cervantite Mineral Data |
General Cervantite Information |
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Sb+++Sb+++++O4 | ||
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Molecular Weight = 307.50 gm | ||
Antimony 79.19 % Sb 47.40 % Sb2O3 / 52.60 % Sb2O5 | |||
Oxygen 20.81 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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SbSbO4 | ||
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Alteration product of stibnite. | ||
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Valid Species (Pre-IMA) 1850 | ||
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Cervantes, Spain. Link to MinDat.org Location Data. | ||
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Named after its locality. | ||
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ICSD 63271 | ||
PDF Nov-45 | |||
Cervantite Image | |||
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Cervantite Crystallography |
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a:b:c =1.1301:1:2.4449 | ||
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a = 5.436, b = 4.81, c = 11.76, Z = 4; V = 307.49 Den(Calc)= 6.64 | ||
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Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Pbn21 | ||
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By Intensity(I/Io): 3.06(1), 1.854(0.7), 2.91(0.7), | ||
Physical Properties of Cervantite |
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{001} Perfect | ||
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Yellow, Yellowish orange, White, Cream. | ||
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6.4 - 6.6, Average = 6.5 | ||
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Transparent to translucent | ||
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Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
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Acicular - Occurs as needle-like crystals. | ||
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Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite). | ||
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Reniform - "Kidney like" in shape (e.g.. hematite). | ||
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4-5 - Fluorite-Apatite | ||
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Vitreous - Pearly | ||
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light yellow | ||
Optical Properties of Cervantite |
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CI meas= 0.086 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.105 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1581,KPDmeas= 0.1615,KC= 0.1767 Ncalc = 2.13 - 2.17 |
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Biaxial (?), a=2, g=2.1, bire=0.1000 | ||
Calculated Properties of Cervantite |
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Bulk Density (Electron Density)=5.67 gm/cc note: Specific Gravity of Cervantite =6.50 gm/cc. |
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Fermion Index = 0.0000998995 Boson Index = 0.9999001005 |
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PECervantite = 267.22 barns/electron U=PECervantite x rElectron Density=1,513.80 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cervantite is Not Radioactive |
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Cervantite Classification |
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04.04.16.01 (04)Simple Oxides | ||
(04.04)with a cation charge of 4+ (A++++ O2) | |||
(04.04.16)Dana Group | |||
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04.DE.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | ||
04.D - Metal:Oxygen = 1:2 and similar | |||
04.DE -With medium-sized cations; with various polyhedra | |||
Other Cervantite Information |
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NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
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Links to other databases for Cervantite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Cervantite using: Visit our Advertisers for Cervantite : Ask about Cervantite here : Print or Cut-and-Paste your Cervantite Specimen Label here :
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