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Bellingerite

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Herman Carl Bellinger
Formula:
Cu3(IO3)6 · 2H2O
Colour:
Green, light green; light bluish green in transmitted light
Hardness:
4
Specific Gravity:
4.88 - 4.9
Crystal System:
Triclinic
Name:
Named in 1940 by Harry Berman and Caleb Wroe Wolfe for Herman Carl Bellinger [April 23, 1867 Caub, Nassau, Germany - July 27, 1941 Spokane, Washington, USA], metallurgist and general manager of the Chile Exploration Company, Chuquicamata, Chile, who submitted the first specimens to the eventual describers of the species. Bellinger was the 1941 recipient of the William Lawrence Saunders Gold Medal awarded by the Society of Mining Engineers for his innovations in mining methods. Herman Bellinger's father, Emil Hugo Bellinger, was a mining engineer and his family emigrated to Nevada, USA in 1873. In the mid-1880's, Herman Bellinger worked with, the then young, Fritz Augustus Heinze, who was a founder of the Anaconda Mining Company in Butte, Montana, USA. In 1897, Bellinger established a summer residence in Spokane, Washington, USA where he was a metallugist with the Trail Smelter which processed the Le Roi Mining Company's ores from Rossland, British Columbia. In 1906, Bellinger was still working at Crofton, British Columbia, Canada. By 1913, Bellinger was manager of the Great Cobar Limited in Australia. Beginning in 1916, Bellinger worked with the Chile Exploration Company. His professional assignments were far reaching including Utah, Europe, and Africa mining areas. Herman and Bertha Mae Bellinger also maintained a home in New York City. (In 1924, Bertha Mae Atherton Bellinger inherited a home in Moran Prairie, Washington and the house is now an historical museum.)
This page provides mineralogical data about Bellingerite.


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Classification of BellingeriteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.KC.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
K : Iodates: Trigonal [IO3] pyramids (mostly).
C : Iodates without additional anions, with H2O
Dana 7th ed.:
21.1.3.1
21.1.3.1

21 : NORMAL IODATES
1 : Miscellaneous
29.2

29 : Iodates

Physical Properties of BellingeriteHide

Colour:
Green, light green; light bluish green in transmitted light
Comment:
Photographs of bellingerite are frequently bluer than the natural material, similar to how the green colors of dioptase and emerald may appear in photographs.
Streak:
Very light green
Hardness:
Tenacity:
Brittle
Fracture:
Sub-Conchoidal
Density:
4.88 - 4.9 g/cm3 (Measured)    4.932 g/cm3 (Calculated)

Optical Data of BellingeriteHide

Type:
Biaxial (+)
RI values:
nα = 1.890 nβ = 1.900 nγ = 1.990
2V:
Measured: 50° , Calculated: 40°
Birefringence:
0.10
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
Dispersion:
r > v strong
Pleochroism:
Visible
Comments:
X = Light bluish green
Y = Light bluish green
Z = Blue-green

Chemical Properties of BellingeriteHide

Formula:
Cu3(IO3)6 · 2H2O

Crystallography of BellingeriteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.22 Å, b = 7.82 Å, c = 7.94 Å
α = 105°, β = 96.98°, γ = 92.94°
Ratio:
a:b:c = 0.923 : 1 : 1.015
Unit Cell V:
428.21 ų (Calculated from Unit Cell)
Morphology:
Crystals prismatic [001] and rather tabular {100}. {100} striated parallel to [001].
Twinning:
On {101}. Reentrant angles may, or may not, be present.

Type Occurrence of BellingeriteHide

General Appearance of Type Material:
Veinlets in altered granitic rock; tiny isolated crystals.
Associated Minerals at Type Locality:

Other Language Names for BellingeriteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Leightonite3 photos of Bellingerite associated with Leightonite on mindat.org.
Gypsum2 photos of Bellingerite associated with Gypsum on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.KC.10BrüggeniteCa(IO3)2 · H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

29.1SalesiteCu(IO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
29.3LautariteCa(IO3)2Mon. 2/m : P21/b
29.4BrüggeniteCa(IO3)2 · H2OMon.
29.5DietzeiteCa2(IO3)2(CrO4) · H2OMon. 2/m : P21/b
29.6SeeligeritePb3(IO3)OCl3Orth. mm2 : Cmm2
29.7SchwartzembergitePb5H2(IO2)O4Cl3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
29.8HectorfloresiteNa9(SO4)4(IO3)Mon. 2/m : P21/b

Other InformationHide

Notes:
Slightly soluble in hot water. Readily soluble in dilute HCl.
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 BellingeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Berman, Harry and Wolfe, Caleb Wroe (1940) American Mineralogist: 25: 505-512.
Motter, W. D. B., Jr. (1941) Herman Carl Bellinger, Bolitin Minero de la Sociadad Nacional de la Mineria, v. 53, p. 392-393.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 313-315.
Acta Crystallographica: B30: 965-974.

Internet Links for BellingeriteHide

Localities for BellingeriteHide

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.
Chile (TL)
 
  • Antofagasta Region
    • El Loa Province
      • Calama
        • Chuquicamata District
American Mineralogist (1940): 25: 505-512; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 315.
Mineral and/or Locality  
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