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About HendersoniteHide

Edward P. Henderson
(Ca,Sr)1.3V6O16 · 6H2O
Dark greenish black to black, turning brown on exposure to air.
Sub-Adamantine, Pearly
Specific Gravity:
Crystal System:
Member of:
Named by M.L. Lindberg, A.D. Weeks, M.E. Thompson, D.P. Elston, R. Meyrowitz in 1962 in honour of Dr. Edward Porter Henderson (31 December 1898, Columbus, Ohio, U.S.A – 12 September 1992, Washington, D.C., U.S.A.), formerly Curator of Meteorites at the Smithsonian Institution, Washington, D.C., USA, who contributed to the knowledge of the mineralogy of U–V deposits.
This page provides mineralogical data about Hendersonite.

Classification of HendersoniteHide


4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
G : Unclassified V oxides

3 : Hydrated Normal Vanadium Oxysalts

21 : Vanadates (and vanadates with arsenate or phosphate)
2 : Vanadates of Mg, Ca, Sr or Ba

Pronounciation of HendersoniteHide

PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HendersoniteHide

Sub-Adamantine, Pearly
Dark greenish black to black, turning brown on exposure to air.
2½ on Mohs scale
parallel to platiness
2.77 g/cm3 (Measured)    2.80 g/cm3 (Calculated)

Optical Data of HendersoniteHide

Biaxial (-)
RI values:
nα = 2.000 nβ = 2.100 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:
Very High
relatively weak
absorption is X yellow green, Y green, and Z yellow brown to brown.

Chemical Properties of HendersoniteHide

(Ca,Sr)1.3V6O16 · 6H2O
IMA Formula:
Ca1.3(V5+,V4+)6O16 · 6H2O

Crystallography of HendersoniteHide

Crystal System:
Cell Parameters:
a = 12.4 Å, b = 18.92 Å, c = 10.77 Å
a:b:c = 0.655 : 1 : 0.569
Unit Cell V:
2,526.73 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
9.43 Å(100)
6.20 Å(11)
5.18 Å(11)
4.70 Å(17)
3.108 Å(36)
2.309 Å(11)
2.257 Å(16)

Occurrences of HendersoniteHide

Paragenetic Mode(s):
•  Oxidation

Type Occurrence of HendersoniteHide

General Appearance of Type Material:
aggregates of microscopic bladed to fibrous crystals
Geological Setting of Type Material:
Partially oxidized uranium ore.
Associated Minerals at Type Locality:
Lindberg, M.L., Weeks, A.D., Thompson, M.E., Elston, D.P., Meyrowitz, R. (1962) Hendersonite, a new calcium vanadyl vanadate from Colorado and New Mexico. American Mineralogist: 47: 1252-1272.

Other Language Names for HendersoniteHide

Relationship of Hendersonite to other SpeciesHide

Member of:
Other Members of this group:
Barnesite(Na,Ca)V6O16 · 3H2OMon. 2/m : P2/m
Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon. 2/m : P21/m
HewettiteCaV6O16 · 9H2OMon. 2/m : P21/m
MetahewettiteCaV6O16 · 3H2OMon. 2/m

Related Minerals - Nickel-Strunz GroupingHide

4.HG.CalciodelrioiteCa(VO3)2·4H2O Mon. 2/m : B2/b
4.HG.05FervaniteFe3+4V5+4O16 · 5H2OMon.
4.HG.10HuemuliteNa4Mg(V10O28) · 24H2OTric.
4.HG.15VanaliteNaAl8V10O38 · 30H2OMon.
4.HG.20SimplotiteCaV4+4O9 · 5H2OMon.
4.HG.25VanoxiteV4+4V5+2O13 · 8H2O
4.HG.30NavajoiteFe3+V5+9O24 · 12H2OMon. 2/m : B2/m
4.HG.35DelrioiteCaSr(V2O6)(OH)2 · 3H2OMon.
4.HG.45Barnesite(Na,Ca)V6O16 · 3H2OMon. 2/m : P2/m
4.HG.55Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon. 2/m : P21/m
4.HG.60LenobliteV4+2O4 · 2H2OOrth. 2 2 2 : P21 21 21
4.HG.65SatpaeviteAl12V4+2V5+6O37 · 30H2O

Related Minerals - Dana Grouping (8th Ed.)Hide · 9H2OMon. 2/m : P21/m · 3H2OMon. 2/m,Ca)V6O16 · 3H2OMon. 2/m : P2/m,Ca)2+x(V5+,V4+)6O16 · 4H2OMon. 2/m : P21/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.2.1MetarossiteCa(V2O6) · 2H2OTric. 1 : P1
21.2.2RossiteCa(VO3)2•4H2OTric. 1 : P1
21.2.3MetahewettiteCaV6O16 · 3H2OMon. 2/m
21.2.4HewettiteCaV6O16 · 9H2OMon. 2/m : P21/m
21.2.5PintadoiteCa2(V2O7) · 9H2O
21.2.7Fernandinite(Ca,K)(V5+,V4+,Fe2+)8O20 · 10H2OMon. 2/m : B2/m
21.2.8PascoiteCa3(V10O28) · 17H2OMon. 2 : B2
21.2.9SherwooditeCa4.5(AlV4+2V5+12O40) · 28H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
21.2.10MelanovanaditeCa(V5+,V4+)4O10 · 5H2OTric. 1 : P1
21.2.11Grantsite(Na,Ca)2+x(V5+,V4+)6O16 · 4H2OMon. 2/m : P21/m
21.2.12HummeriteK2Mg2(V10O28) · 16H2OTric.
21.2.14DelrioiteCaSr(V2O6)(OH)2 · 3H2OMon.
21.2.15Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2OMon.
21.2.16GamagariteBa2Fe3+(VO4)2(OH)Mon. 2/m : P21/m

Other InformationHide

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 HendersoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lindberg, M.L., Weeks, A.D., Thompson, M.E., Elston, D.P., Meyrowitz, R. (1962) Hendersonite, a new calcium vanadyl vanadate from Colorado and New Mexico. American Mineralogist: 47: 1252-1272.
Fleischer, M. (1963) New mineral names. American Mineralogist: 48: 433-437.
Evans, H.T., Hughes, J.M. (1990) Crystal chemistry of the natural vanadium bronzes. American Mineralogist: 75: 508-521.

Internet Links for HendersoniteHide

Localities for HendersoniteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Arizona
    • Apache Co.
Chenoweth, W. L. (1994). The Location and Production History of the Chimney No. 1 Uranium-Vanadium Mine, Apache County, Arizona. Arizona Geological Survey Contributed Report 94-B
  • Colorado
    • Montrose Co.
      • Uravan Mining District
        • Paradox Valley
Minerals of Colorado 2nd ed.
    • San Miguel Co.
      • Slick Rock Mining District
Minerals of Colorado (1997) Eckel, E. B.
Kampf, A.R., Hughes, J.M., Marty, J. & Nash, B. (2013) Wernerbaurite {[Ca(H2O)7]2(H2O)2(H3O)2}{V10O28}, and schindlerite, {[Na2(H2O)10](H3O)4}{V10O28}, the first hydronium-bearing decavanadate minerals. Canadian Mineralogist: 51: 297-312.
In the collection of Alex Earl
  • New Mexico
    • San Juan Co.
      • Shiprock District
        • Eastside mines
NMBGMR Open-file Report - 466
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