Dussertite (original) (raw)
Formula:
BaFe3+3(AsO4)(AsO3OH)(OH)6
Colour:
Green, yellow-green, bluish green; yellowish green in transmitted light.
Name:
Named in 1925 by Jules Barthoux in honor of Jean Baptiste Desiré Dussert (1872-1928), French mining engineer who worked in Algeria and General Inspector of Mines.
Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Redefined by the IMA
Approval history:
Redefined 1999 s.p.: Kolitsch et al. (1999).
8.BL.10
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
41.5.10.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
20.9.13
20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe
Colour:
Green, yellow-green, bluish green; yellowish green in transmitted light.
Density:
3.75 g/cm3 (Measured) 4.09 g/cm3 (Calculated)
RI values:
_n_ω = 1.870 _n_ε = 1.845 n = 1.85
δ = 0.025
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
Shades of greenish yellow.
Comments:
May be anomalously biaxial at times with 2V = 15° to 20°.
Class (H-M):
3_m_ _(_32/m ) - Hexagonal Scalenohedral
Cell Parameters:
a = 7.4244 Å, c = 17.494 Å
Unit Cell V:
835.11 ų (Calculated from Unit Cell)
Morphology:
Crystals minute, flattened {0001}, aggregated into crusts or rosette-like groups.
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0014536 | Dussertite | Kolitsch U, Slade P G, Tiekink E R T, Pring A (1999) The structure of antimonian dussertite and the role of antimony in oxysalt minerals Mineralogical Magazine 63 17-26 |  |
1999 | Clara mine, Black Forest, Germany | 0 | 293 |
CIF Raw Data - click here to close
Place of Conservation of Type Material:
Muséum Nationale d’Histoire Naturelle, Paris, France, numbers 124.382, 124.389 (type).
Ecole Nationale Supérieure des Mines, Paris, France, number 14143 (type).
Associated Minerals at Type Locality:
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
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.
- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.