Daubréeite
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About Daubréeite
Formula:
BiO(OH)
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
Member of:
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.
Classification of Daubréeite
Approved, 'Grandfathered' (first described prior to 1959)
3/D.0-50
3.DC.25
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
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
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
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi
Physical Properties of Daubréeite
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}
On {001}
Comment:
Very plastic
Density:
6.4 - 6.5 g/cm3 (Measured) 7.70 g/cm3 (Calculated)
Optical Data of Daubréeite
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.
and does not take into account mineral colouration.
Surface Relief:
Very High
Chemical Properties of Daubréeite
Formula:
BiO(OH)
Elements listed:
Crystallography of Daubréeite
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 Daubréeite
Geological Setting of Type Material:
Oxidation zone of bismuth deposit.
Associated Minerals at Type Locality:
Synonyms of Daubréeite
Other Language Names for Daubréeite
Relationship of Daubréeite to other Species
Member of:
Other Members of this group:
Bismoclite | BiOCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Laurionite | PbCl(OH) | Orth. mmm (2/m 2/m 2/m) |
Matlockite | PbFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Paralaurionite | PbCl(OH) | Mon. 2/m : B2/m |
Rorisite | CaFCl | Tet. |
Zavaritskite | (BiO)F | Tet. |
Related Minerals - Nickel-Strunz Grouping
3.DC.05 | Laurionite | PbCl(OH) | Orth. mmm (2/m 2/m 2/m) |
3.DC.05 | Paralaurionite | PbCl(OH) | Mon. 2/m : B2/m |
3.DC.10 | Fiedlerite | Pb3FCl4(OH) · H2O | Mon. 2/m |
3.DC.15 | Penfieldite | Pb2Cl3(OH) | Hex. 6 : P6 |
3.DC.20 | Laurelite | Pb7F12Cl2 | Hex. 6 : P6 |
3.DC.25 | Bismoclite | BiOCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
3.DC.25 | Matlockite | PbFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
3.DC.25 | Rorisite | CaFCl | Tet. |
3.DC.25 | Zavaritskite | (BiO)F | Tet. |
3.DC.25 | Zhangpeishanite | BaFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
3.DC.30 | Nadorite | PbSbClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
3.DC.30 | Perite | PbBiClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
3.DC.35 | Aravaipaite | Pb3AlF9 · H2O | Tric. |
3.DC.37 | Calcioaravaipaite | PbCa2AlF9 | Tric. 1 |
3.DC.40 | Thorikosite | Pb3Cl2(OH)(SbO3,AsO3) | Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm |
3.DC.45 | Mereheadite | Pb47Cl25(OH)13O24(CO3)(BO3)2 | Mon. m |
3.DC.50 | Blixite | Pb8O5(OH)2Cl4 | Orth. |
3.DC.55 | Pinalite | Pb3WO5Cl2 | Orth. |
3.DC.60 | Symesite | Pb10(SO4)O7Cl4 · H2O | Tric. 1 : P1 |
3.DC.65 | Ecdemite | Pb6Cl4(As2O7) | Mon. 2 : P21 |
3.DC.70 | Mendipite | Pb3Cl2O2 | Orth. 2 2 2 : P21 21 21 |
3.DC.75 | Damaraite | Pb3Cl(OH)O2 | Orth. mm2 : Pmc21 |
3.DC.80 | Onoratoite | Sb8Cl2O11 | Tric. 1 : P1 |
3.DC.85 | Cotunnite | PbCl2 | Orth. mmm (2/m 2/m 2/m) |
3.DC.90 | Pseudocotunnite | K2PbCl4 | Orth. |
3.DC.95 | Barstowite | Pb4Cl6(CO3) · H2O | Mon. 2/m : P21/m |
Related Minerals - Dana Grouping (8th Ed.)
10.2.1.1 | Zavaritskite | (BiO)F | Tet. |
10.2.1.2 | Bismoclite | BiOCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
Related Minerals - Hey's Chemical Index of Minerals Grouping
8.9.1 | Onoratoite | Sb8Cl2O11 | Tric. 1 : P1 |
8.9.2 | Kelyanite | [Hg2]2+6Sb3+BrCl2O6 | Trig. 3 |
8.9.3 | Gananite | BiF3 | Iso. |
8.9.4 | Zavaritskite | (BiO)F | Tet. |
8.9.5 | Bismoclite | BiOCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
8.9.7 | Perite | PbBiClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Other Information
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 Daubréeite
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 Daubréeite
mindat.org URL:
https://www.mindat.org/min-1229.html
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Localities for Daubréeite
Locality List




All localities listed without proper references should be considered as questionable.
Australia | |
| Simpson, E.S. 91948), Minerals of Western Australia, Vol 2, p 135 |
Bolivia | |
| [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. |
| [MinRec 32:468] |
Canada | |
| Barkov, A. Y., Martin, R. F., Shi, L., LeBarge, W., & Fedortchouk, Y. (2008). Oscillatory zoning in stanniferous hematite and associated W-and Bi-rich minerals from Canadian creek, Yukon, Canada. The Canadian Mineralogist, 46(1), 59-72. |
Czech Republic | |
| Tuček K.: Meteority a jejich výskyt v Československu. 1981, Academia, Praha. |
Italy | |
| 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. |
Norway | |
| Husdal, T. (2019) Nyfunn av mineraler fra Tysfjord-pegmatittene, Nordland. Norsk Mineralsymposium 2019: 31-46 |
Russia | |
| Barkov, A. Y., Tolstykh, N. D., Shvedov, G. I., & Martin, R. F. (2018). Ophiolite-related associations of platinum-group minerals at Rudnaya, western Sayans, and Miass, southern Urals, Russia. Mineralogical Magazine, 1-32. |
| Kurguzova, A. V., Smirnov, S. Z., Klyukin, Y. I., & Karmanov, N. S. (2014). Bi-rich fluid inclusions in quartz from zwitter related to Li-F granite in the Severny pluton, Chukchi Peninsula: An insight into bismuth behavior during greisenization process. Geology of Ore Deposits, 56(8), 629-636. |
USA | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| [MinRec 22:181]; Canadian Mineralogist Vol. 26, pp. 355-376(1988) |
| Dr. Frank Keutsch specimen (microinclusion in awaruite nugget) |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
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 |
Cerro Tazna, Nor Chichas Province, Potosí, Bolivia