Dundasite
A valid IMA mineral species - grandfathered
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About Dundasite
Historic view of Dundas township
Dundas mineral field, Zeehan mining district, West Coast municipality, Tasmania, Australia
Dundas mineral field, Zeehan mining district, West Coast municipality, Tasmania, Australia
Formula:
PbAl2(CO3)2(OH)4 · H2O
Colour:
White to colourless to very pale blue; rarely pale greenish or pale yellowish
Lustre:
Vitreous, Silky
Hardness:
2
Specific Gravity:
3.1 - 3.55
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1893 by William Frederick Petterd after the type locality, Dundas, Tasmania, Australia.
Dundasite is a secondary lead mineral found in the oxidization zone of lead deposits.
Unique Identifiers
Mindat ID:
1330
Long-form identifier:
mindat:1:1:1330:3
GUID
(UUID V4):
(UUID V4):
444b55b4-8ede-4009-93f4-fb1dbf06b316
IMA Classification of Dundasite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1893
Type description reference:
Classification of Dundasite
5.DB.10
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
B : With large and medium-sized cations
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
B : With large and medium-sized cations
16b.2.1.1
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : AmBn(XO3)pZqxH2O & with (m+n):p = 3:2
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : AmBn(XO3)pZq
11.9.3
11 : Carbonates
9 : Carbonates of Pb, Zr and Th
11 : Carbonates
9 : Carbonates of Pb, Zr and Th
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Dun | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Dundasite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Dundasite
Vitreous, Silky
Transparency:
Transparent
Colour:
White to colourless to very pale blue; rarely pale greenish or pale yellowish
Comment:
Bluish hue due to trace amounts of Cu(II).
Streak:
White
Hardness:
2 on Mohs scale
Cleavage:
Perfect
On {010}.
On {010}.
Density:
3.1 - 3.55 g/cm3 (Measured) 3.716 g/cm3 (Calculated)
Optical Data of Dundasite
Type:
Biaxial (-)
RI values:
nα = 1.603 nβ = 1.716 nγ = 1.750
2V:
Measured: 30° to 40°, Calculated: 54°
Max Birefringence:
δ = 0.147
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:
High
Dispersion:
strong
Chemistry of Dundasite
Mindat Formula:
PbAl2(CO3)2(OH)4 · H2O
Crystallography of Dundasite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 9.08(1) Å, b = 16.37(2) Å, c = 5.62(1) Å
Ratio:
a:b:c = 0.555 : 1 : 0.343
Unit Cell V:
835.35 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Spherical aggregates composed of radiating crystals, elongated [001]; matted or felted crusts.
Comment:
Space Group: P bnm
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
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Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0014455 | Dundasite | Cocco G, Fanfani L, Nunzi A, Zanazzi P F (1972) The crystal structure of dundasite Mineralogical Magazine 38 564-569 | 1972 | Gonnesa, Sardinia, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.91 Å | (100) |
4.63 Å | (50) |
3.60 Å | (80) |
3.23 Å | (50) |
3.08 Å | (60) |
2.968 Å | (40) |
2.667 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] |
Geological Setting:
Oxidized zones of lead-bearing deposits.
Type Occurrence of Dundasite
Place of Conservation of Type Material:
No designated type material.
Associated Minerals at Type Locality:
Reference:
Petterd, William Frederick (1893) Minerals of Tasmania, Hobart: 66.
Other Language Names for Dundasite
Relationship of Dundasite to other Species
Member of:
Other Members of this group:
Alumohydrocalcite | CaAl2(CO3)2(OH)4 · 4H2O | Tric. 1 : P1 |
Dresserite | BaAl2(CO3)2(OH)4 · H2O | Orth. mmm (2/m 2/m 2/m) |
Grguricite | CaCr2(CO3)2(OH)4 · 4H2O | Tric. 1 : P1 |
Hydrodresserite | BaAl2(CO3)2(OH)4 · 3H2O | Tric. 1 : P1 |
Kochsándorite | CaAl2(CO3)2(OH)4 · H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
Petterdite | PbCr3+2(CO3)2(OH)4 · H2O | Orth. mmm (2/m 2/m 2/m) |
Strontiodresserite | SrAl2(CO3)2(OH)4 · H2O | Orth. mmm (2/m 2/m 2/m) |
Unnamed (Ca-analogue of Petterdite) | CaCr3+2(CO3)2(OH)4 · H2O |
Common Associates
Associated Minerals Based on Photo Data:
87 photos of Dundasite associated with Crocoite | PbCr6+O4 |
52 photos of Dundasite associated with Cerussite | PbCO3 |
30 photos of Dundasite associated with Azurite | Cu3(CO3)2(OH)2 |
21 photos of Dundasite associated with Gibbsite | Al(OH)3 |
21 photos of Dundasite associated with Malachite | Cu2(CO3)(OH)2 |
14 photos of Dundasite associated with Allophane | (Al2O3)(SiO2)1.3-2 · 2.5-3H2O |
11 photos of Dundasite associated with Chrome-Cerussite | PbCO3 |
9 photos of Dundasite associated with Limonite | |
8 photos of Dundasite associated with Pyromorphite | Pb5(PO4)3Cl |
7 photos of Dundasite associated with Goethite | α-Fe3+O(OH) |
Related Minerals - Strunz-mindat Grouping
5.DB. | Grguricite | CaCr2(CO3)2(OH)4 · 4H2O |
5.DB.05 | Alumohydrocalcite | CaAl2(CO3)2(OH)4 · 4H2O |
5.DB.05 | Nasledovite | PbMn3Al4(CO3)4(SO4)O5 · 5H2O |
5.DB.05 | Para-alumohydrocalcite | CaAl2(CO3)2(OH)4 · 6H2O |
5.DB.05 | UM1977-02-CO:AlCaH | Ca6Al2(CO3)3O6 · 32H2O |
5.DB.10 | Dresserite | BaAl2(CO3)2(OH)4 · H2O |
5.DB.10 | Montroyalite | Sr4Al8(CO3)3(OH,F)26 · 10-11H2O |
5.DB.10 | Strontiodresserite | SrAl2(CO3)2(OH)4 · H2O |
5.DB.10 | Petterdite | PbCr3+2(CO3)2(OH)4 · H2O |
5.DB.10 | Kochsándorite | CaAl2(CO3)2(OH)4 · H2O |
5.DB.10 | Unnamed (Ca-analogue of Petterdite) | CaCr3+2(CO3)2(OH)4 · H2O |
5.DB.15 | Hydrodresserite | BaAl2(CO3)2(OH)4 · 3H2O |
5.DB.20 | Schuilingite-(Nd) | PbCu(Nd,Gd,Sm,Y)(CO3)3(OH) · 1.5H2O |
5.DB.25 | Sergeevite | Ca2Mg11(CO3)9(HCO3)4(OH)4 · 6H2O |
5.DB.30 | Szymańskiite | [H3O]+8[Hg2]2+8(Ni,Mg)6[CO3]12(OH)12 · 3H2O |
5.DB.35 | Lusernaite-(Y) | Y4Al(CO3)2(OH)10F · 6H2O |
5.DB.40 | Putnisite | SrCa4Cr3+8(CO3)8SO4(OH)16 · 23H2O |
Other Information
Notes:
Soluble in acids with effervescence.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Dundasite
mindat.org URL:
https://www.mindat.org/min-1330.html
Please feel free to link to this page.
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Mineral Dealers:
References for Dundasite
Reference List:
Prior, G. T. (1906) Dundasite from North Wales. Mineralogical Magazine and Journal of the Mineralogical Society, 14 (65) 167-169 doi:10.1180/minmag.1906.014.65.08
Russell, Arthur (1912) Notes on the occurrence of Dundasite in Derbyshire and Co. Galway. Mineralogical Magazine and Journal of the Mineralogical Society, 16 (76) 272-273 doi:10.1180/minmag.1912.016.76.03
Russell, Arthur (1944) Notes on some minerals either new or rare to Britain. Mineralogical Magazine and Journal of the Mineralogical Society, 27 (184) 1-10 doi:10.1180/minmag.1944.027.184.02
Beaumont, C., Guillemin, Claude (1960) La dundasite de Gonnesa (Sardaigne) Bulletin de Minéralogie, 83 (4) 121-124 doi:10.3406/bulmi.1960.5391
Jambor, J. L., Fong, D. G., Sabina, A. P. (1969) Dresserite, the new barium analogue of dundasite. The Canadian Mineralogist, 10 (1) 84-89
Cocco, G., Fanfani, L, Nunzi, A., Zanazzi, P. F. (1972) The crystal structure of dundasite. Mineralogical Magazine, 38 (297) 564-569 doi:10.1180/minmag.1972.038.297.04
Localities for Dundasite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Australia | |
| Australian J. Mineralogy 13 (2) |
| Dana (1909) +1 other reference |
| N.R. Kemp and R.S. Bottrill : ... |
Bottrill et al. (2006) | |
[Canadian Mineralogist 38 pp. 1467-1476 (2000) +1 other reference | |
Peter Andersen collection | |
| Bottrill et al. (2006) |
Austria | |
| Niedermayr et al. (1995) |
| G.Blaß |
Carinthia II 168./88. (1978) +1 other reference | |
| Niedermayr et al. (1995) |
| Niedermayr et al. (1995) |
| Strasser (1989) |
Niedermayr et al. (2009) | |
| Auer (2023) |
| Leikauf et al. (2005) |
| [Lapis 1992: 2 p.19-30] |
| Postl et al. (1990) +1 other reference |
Belgium | |
| Van Tassel (1979) +1 other reference |
Van Tassel (1979) +1 other reference | |
| Van Tassel (1979) +1 other reference |
| Michel BLONDIEAU et al. (2018) |
| Blondieau et al. (2016) |
| Hatert et al. (2002) |
Michel Arliguie collection. +2 other references | |
Dejonghe et al. (1993) | |
Canada | |
| Dawson Creek +1 other reference |
Dawson Creek +1 other reference | |
China | |
| RRUFF Project Database (ID R060889) |
Czech Republic | |
| Fojt |
| Kuttna +1 other reference |
Pauliš | |
France | |
| Vernay (1997) |
| Yves Mourey Collection |
| Wittern et al. (Cologne) |
| Legrand et al. (2008) |
| Berbain et al. (2005) |
| Le Cahier des micromonteurs |
| Queneau (n.d.) |
| Queneau (n.d.) |
| Queneau (n.d.) |
| Jean-Marie Claude collection +1 other reference |
Germany | |
| Schnorrer-Köhler (1988) |
| Weiß (1990) |
| Lapis (1) |
| Schnorrer-Köhler (1988) |
| |
Schnorrer-Köhler (1991) | |
| Wittern (2001) |
Meinrad Kempf Collection | |
| Schnorrer-Köhler (1987) |
| Habel et al. (2009) |
| Weiss: "Mineralienfundstellen et al. (Munich) |
| Wittern (2001) |
| Der Aufschluss Vol.55 |
| Weiß (1990) |
Greece | |
| Meixner (1978) +2 other references |
Hungary | |
| Szakáll - Gatter: Minerals of Hungary |
Szakáll-Gatter-Jánosi: Minerals of ... | |
Ireland | |
| Palache et al. (1951) |
| Morrissey (1970) |
| Anders Errson Collection |
Italy | |
| Bortolozzi et al. (2018) |
| Maida (2002) |
Orlandi et al. (2005) +1 other reference | |
| Carmagnola et al. (2019) |
| AA. VV. et al. (1) |
| Moldovan et al. (2013) |
| Stara et al. (1996) |
Stara et al. (1996) | |
| Orlandi (2011) |
| De Michele (1974) |
Stara et al. (1996) | |
Cerussite-5mm-Seddas Moddizzis Mine | |
| L. Chiappino collection |
| Ferretti et al. (2018) |
| Sabelli C. et al. (GR) |
| P. Rögner et al. (2000) |
| Boscardin M. et alii. "I minerali nel Vicentino" et al. (Vicenza) |
| Lapis (2) +2 other references |
Bortolozzi (n.d.) | |
Antonio Zordan collection | |
XRD single crystal analysis at Padova ... | |
Morocco | |
| Steve Rust collection |
Namibia | |
| Gebhard (1999) |
New Zealand | |
| Railton et al. (1990) |
Saudi Arabia | |
| Faheha et al. (2012) |
Slovakia | |
| Števko M. (2014) |
Spain | |
| Calvo Rebollar (2012) |
| Joan Rosell et al. (2022) |
| Xavi Ortiz Collection |
| Adrian Pesudo collection. Analyssed by ... |
Switzerland | |
| EDXS analysis EDXPR_2844 |
UK | |
| Day (1999) |
| Elton et al. (2004) |
| Tony Aldworth Collection/Chris Jewson ... +1 other reference |
| Golley et al. (1995) |
| G.Curtis collection |
| Palache et al. (1951) |
| John Betterton at Haslemere Educational ... |
| Golley et al. (1995) |
Steve Rust collection | |
| Palache et al. (1951) +1 other reference |
| Day (1999) |
| Day (1999) |
| Specimen in the Natural History Museum +2 other references |
| Alabaster (1990) +1 other reference |
| Turner R.W. and Rumsey (2007) +1 other reference |
| |
| Day (1999) |
| Day (1999) |
| Dana 6:A2:37. |
| Cotterell et al. (2011) |
USA | |
| Castor et al. (2004) |
| John Cianciulli |
| Gibbs (1989) |
Min Rec 20:1 pp13-24 | |
Min Rec 20:1 pp13-24 | |
Min Rec 5:5 p235 | |
Min Rec 20:1 pp13-24 +1 other reference |
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Greystone Quarry, Lezant, Cornwall, England, UK