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Hendersonite Mineral Data |
General Hendersonite Information |
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Ca1.3V6O16•6(H2O) | |
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Molecular Weight = 721.83 gm | |
Calcium 7.22 % Ca 10.10 % CaO | ||
Vanadium 42.34 % V 75.59 % V2O5 | ||
Hydrogen 1.68 % H 14.97 % H2O | ||
Oxygen 48.76 % O | ||
______ ______ | ||
100.00 % 100.66 % = TOTAL OXIDE | ||
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Ca1.3V5+6O16•6(H2O) | |
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Sandstone-hosted uranium-vanadium deposits. | |
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Approved IMA 1962 | |
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Eastside mines in San Juan County, New Mexico. Link to MinDat.org Location Data. | |
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Named after Edward P. Henderson of the U.S. National Museum, in recognition of his mineralogical studies of the vanadium-uranium deposits of the Colorado Plateau. | |
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Hendersonite + Pronunciation ![]() |
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Hendersonite Crystallography |
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a:b:c =3.454:1:5.2701 | |
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a = 12.4, b = 3.59, c = 18.92, Z = 2; V = 842.24 Den(Calc)= 2.85 | |
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Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam | |
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By Intensity(I/Io): 9.45(1), 3.113(0.36), 4.7(0.16), | |
Physical Properties of Hendersonite |
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Greenish black, Black. | |
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2.77 - 2.79, Average = 2.78 | |
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Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). | |
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Fibrous - Crystals made up of fibers. | |
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Microscopic Crystals - Crystals visible only with microscopes. | |
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2.5 - Finger Nail | |
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Adamantine - Pearly | |
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brownish green | |
Optical Properties of Hendersonite |
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CI meas= -0.166 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.137 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3743,KPDmeas= 0.3837,KC= 0.3291 Ncalc = 1.91 - 1.94 |
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Biaxial (-), a=2, b=2.1, g=2.1, bire=0.1000, 2V(Calc)=0, 2V(Meas)=medium. | |
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green. | |
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brownish green. | |
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brown. | |
Calculated Properties of Hendersonite |
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Bulk Density (Electron Density)=2.78 gm/cc note: Specific Gravity of Hendersonite =2.85 gm/cc. |
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Fermion Index = 0.0013926048 Boson Index = 0.9986073952 |
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PEHendersonite = 8.94 barns/electron U=PEHendersonite x rElectron Density= 24.85 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hendersonite is Not Radioactive |
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Hendersonite Classification |
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47.03.01.04 (47)Vanadium Oxysalts | |
(47.03)(Hydrated) | ||
(47.03.01)Hewettite Group | ||
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04.HG.50 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | |
04.H - V[5,6] Vanadates | ||
04.HG -Unclassified V oxides | ||
Other Hendersonite Information |
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NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |
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Links to other databases for Hendersonite : 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 Search for Hendersonite using: Visit our Advertisers for Hendersonite : Ask about Hendersonite here : Print or Cut-and-Paste your Hendersonite Specimen Label here :
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