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Daubréeite

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Auguste Daubree
Formula:
(BiO)(OH,Cl)
Colour:
Creamy-white, greyish, yellowish-brown; colourless in transmitted light.
Lustre:
Greasy, Silky
Hardness:
2 - 2½
Specific Gravity:
6.4 - 6.5
Crystal System:
Tetragonal
Name:
Named by I. Domeyko in 1876 in honor of Gabriel Auguste Daubrée (25 June 1814, Metz, Fance – 29 May 1896, Paris, France), mineralogist, geologist and professor at Strasbourg and the Museum d'Histoire Naturelle, Paris. He was awarded the Wollaston Medal in 1880. The mineral daubréelite is also named in his honor.
Matlockite Group.
Compare bismoclite, BiOCl.


Hide all sections | Show all sections

Classification of DaubréeiteHide

Approved, 'Grandfathered' (first described prior to 1959)
3.DC.25

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.2.1.3

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
8.9.6

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi

Physical Properties of DaubréeiteHide

Greasy, Silky
Transparency:
Transparent
Colour:
Creamy-white, greyish, yellowish-brown; colourless in transmitted light.
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Waxy
Cleavage:
Perfect
On {001}
Comment:
Very plastic
Density:
6.4 - 6.5 g/cm3 (Measured)    7.70 g/cm3 (Calculated)

Optical Data of DaubréeiteHide

Type:
Uniaxial (-)
RI values:
nω = 2.150 nε = 1.910
Max Birefringence:
δ = 0.240
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of DaubréeiteHide

Formula:
(BiO)(OH,Cl)
IMA Formula:
BiO(OH)

Crystallography of DaubréeiteHide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
P4/nmm
Cell Parameters:
a = 3.85 Å, c = 7.4 Å
Ratio:
a:c = 1 : 1.922
Unit Cell V:
109.69 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Massive only; compact, earthy, columnar to platy-fibrous.

Type Occurrence of DaubréeiteHide

Geological Setting of Type Material:
Oxidation zone of bismuth deposit.
Associated Minerals at Type Locality:

Synonyms of DaubréeiteHide

Other Language Names for DaubréeiteHide

Simplified Chinese:羟氯铋矿
Traditional Chinese:羥氯鉍礦

Relationship of Daubréeite to other SpeciesHide

Other Members of this group:
Bismoclite(BiO)ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
LaurionitePbCl(OH)Orth. mmm (2/m 2/m 2/m)
MatlockitePbFClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
ParalaurionitePbCl(OH)Mon. 2/m : B2/m
RorisiteCaFClTet.
Zavaritskite(BiO)FTet.

Related Minerals - Nickel-Strunz GroupingHide

3.DC.05LaurionitePbCl(OH)Orth. mmm (2/m 2/m 2/m)
3.DC.05ParalaurionitePbCl(OH)Mon. 2/m : B2/m
3.DC.10FiedleritePb3FCl4(OH) · H2OMon. 2/m
3.DC.15PenfielditePb2Cl3(OH)Hex. 6 : P6
3.DC.20LaurelitePb7F12Cl2Hex. 6 : P6
3.DC.25Bismoclite(BiO)ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
3.DC.25MatlockitePbFClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
3.DC.25RorisiteCaFClTet.
3.DC.25Zavaritskite(BiO)FTet.
3.DC.25ZhangpeishaniteBaFClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
3.DC.30NadoritePbSbClO2Orth. mmm (2/m 2/m 2/m) : Cmcm
3.DC.30PeritePbBiClO2Orth. mmm (2/m 2/m 2/m) : Cmcm
3.DC.35AravaipaitePb3AlF9 · H2OTric.
3.DC.37CalcioaravaipaitePbCa2AlF9Tric. 1
3.DC.40ThorikositePb3Cl2(OH)(SbO3,AsO3)Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.DC.45MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2Mon. m
3.DC.50BlixitePb2(O,OH)2ClOrth.
3.DC.55PinalitePb3WO5Cl2Orth.
3.DC.60SymesitePb10(SO4)O7Cl4 · H2OTric. 1 : P1
3.DC.65EcdemitePb6Cl4(As2O7)Tet.
3.DC.65HeliophyllitePb6Cl4(As2O7)Orth.
3.DC.70MendipitePb3Cl2O2Orth. 2 2 2 : P21 21 21
3.DC.75DamaraitePb3Cl(OH)O2Orth. mm2 : Pmc21
3.DC.80OnoratoiteSb8Cl2O11Tric. 1 : P1
3.DC.85CotunnitePbCl2Orth. mmm (2/m 2/m 2/m)
3.DC.90PseudocotunniteK2PbCl4Orth.
3.DC.95BarstowitePb4Cl6(CO3) · H2OMon. 2/m : P21/m

Related Minerals - Dana Grouping (8th Ed.)Hide

10.2.1.1Zavaritskite(BiO)FTet.
10.2.1.2Bismoclite(BiO)ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.9.1OnoratoiteSb8Cl2O11Tric. 1 : P1
8.9.2Kelyanite(Hg+2)6Sb3+BrCl2O6Mon.
8.9.3GananiteBiF3
8.9.4Zavaritskite(BiO)FTet.
8.9.5Bismoclite(BiO)ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
8.9.7PeritePbBiClO2Orth. mmm (2/m 2/m 2/m) : Cmcm

Other InformationHide

Notes:
Totally soluble in acids. Re-precipitates upon substantial dilution.
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 DaubréeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Domeyko, I. (1876) Daubréite (oxychlorure de bismuth), espèce minérale nouvelle. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences, 82, 922-923.
Domeyko, I. (1879) Elementos de Mineralogia, 3rd. edition: 297.
Bannister, F.A., Hey, M.H. (1935) The crystal-structure of the bismuth oxyhalides. Mineralogical Magazine: 24: 49-58.
Palache, C., Berman, H., Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 60-62.

Internet Links for DaubréeiteHide

Localities for DaubréeiteHide

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.
Australia
 
  • Western Australia
    • Sandstone Shire
      • Montague Range Goldfield
Simpson, E.S. 91948), Minerals of Western Australia, Vol 2, p 135
Bolivia
 
  • Potosí Department
    • Nor Chichas Province
      • Atocha-Quechisla District
[MinRec 32:481]
Domeyko (1876); 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: 62.
    • Sud Chichas Province
      • Atocha-Quechisla District
        • Cerro Chorolque
[MinRec 32:468]
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Moravia-Silesia Region
      • Opava
Tuček K.: Meteority a jejich výskyt v Československu. 1981, Academia, Praha.
Italy
 
  • Tuscany
    • Livorno Province
      • Elba Island
        • Rio Marina
          • Rio Mine (Rio Marina Mine)
G. Marinelli, 1959 - I minerali di bismuto del cantiere Falcacci a Rio Marina (Isola d'Elba). - Atti Soc. Tosc. Sc. Nat., Mem. Serie A, 66: 337-352.
USA
 
  • Nevada
    • Nye Co.
      • Toquima Range
NBMG Spec. Pub. 31 Minerals of Nevada
        • Round Mountain District
[MinRec 22:181]; Canadian Mineralogist Vol. 26, pp. 355-376(1988)
  • Oregon
    • Josephine Co.
      • Josephine Creek District
Dr. Frank Keutsch specimen (microinclusion in awaruite nugget)
  • Utah
    • Juab Co.
      • East Tintic Mts
        • Tintic District
UGMS Bull 117 Minerals and Mineral Localities of Utah
          • Eureka
UGMS Bull 117 Minerals and Mineral Localities of Utah; Means, A H "Some New Mineral Occurences From The Tintic District, Utah" American Journal of Science Vol 41, Noi 241 (1916) pp 125-30; Means, A H "Some New Mineral Occurences From The Tintic District, Utah" American Journal of Science Vol 41, Noi 241 (1916) pp 125-30
Mineral and/or Locality  
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