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Dresserite

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About DresseriteHide

John Alexander Dresser
Formula:
BaAl2(CO3)2(OH)4 · H2O
Colour:
White
Lustre:
Vitreous, Silky
Hardness:
2½ - 3
Specific Gravity:
2.96
Crystal System:
Orthorhombic
Name:
For John Alexander Dresser (1866-1954), Canadian geologist for contributions for the Monteregian Hills.
This page provides mineralogical data about Dresserite.


Classification of DresseriteHide

Approved
Approval Year:
1968
5.DB.10

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
B : With large and medium-sized cations
16b.2.1.2

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : AmBn(XO3)pZqxH2O & with (m+n):p = 3:2
11.7.12

11 : Carbonates
7 : Carbonates of Al

Physical Properties of DresseriteHide

Vitreous, Silky
Transparency:
Transparent
Colour:
White
Streak:
White
Hardness:
2½ - 3 on Mohs scale
Density:
2.96(2) g/cm3 (Measured)    3.06 g/cm3 (Calculated)

Optical Data of DresseriteHide

Type:
Biaxial (-)
RI values:
nα = 1.518 nγ = 1.601
2V:
Measured: 30° to 40°
Max Birefringence:
δ = 0.083
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of DresseriteHide

Formula:
BaAl2(CO3)2(OH)4 · H2O
IMA Formula:
Ba2Al4(CO3)4(OH)8 · 3H2O

Crystallography of DresseriteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 9.27 Å, b = 16.83 Å, c = 5.63 Å
Ratio:
a:b:c = 0.551 : 1 : 0.335
Unit Cell V:
878.36 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Tapering acicular crystals, typically in divergent spherical and hemispherical aggregates to 3mm.

Type Occurrence of DresseriteHide

Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa
Geological Setting of Type Material:
Vugs in alkalic sill in limestone.
Associated Minerals at Type Locality:

Synonyms of DresseriteHide

Other Language Names for DresseriteHide

German:Dresserit
Spanish:Dresserita

Relationship of Dresserite to other SpeciesHide

Other Members of this group:
AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2OTric. 1 : P1
DundasitePbAl2(CO3)2(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
HydrodresseriteBaAl2(CO3)2(OH)4 · 3H2OTric.
KochsándoriteCaAl2(CO3)2(OH)4 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
PetterditePbCr3+2(CO3)2(OH)4 · H2OOrth.
StrontiodresseriteSrAl2(CO3)2(OH)4 · H2OOrth.
Unnamed (Ca-analogue of Petterdite)CaCr3+2(CO3)2(OH)4 · H2O

Common AssociatesHide

Associated Minerals Based on Photo Data:
Weloganite21 photos of Dresserite associated with Weloganite on mindat.org.
Quartz7 photos of Dresserite associated with Quartz on mindat.org.
Strontianite3 photos of Dresserite associated with Strontianite on mindat.org.
Calcite2 photos of Dresserite associated with Calcite on mindat.org.
Siderite1 photo of Dresserite associated with Siderite on mindat.org.
Pyrite1 photo of Dresserite associated with Pyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.DB.05AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2OTric. 1 : P1
5.DB.05NasledovitePbMn3Al4(CO3)4(SO4)O5 · 5H2O
5.DB.05Para-alumohydrocalciteCaAl2(CO3)2(OH)4 · 6H2O
5.DB.05UM1977-02-CO:AlCaHCa6Al2(CO3)3O6 · 32H2O
5.DB.10DundasitePbAl2(CO3)2(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
5.DB.10MontroyaliteSr4Al8(CO3)3(OH,F)26 · 10-11H2O
5.DB.10StrontiodresseriteSrAl2(CO3)2(OH)4 · H2OOrth.
5.DB.10PetterditePbCr3+2(CO3)2(OH)4 · H2OOrth.
5.DB.10KochsándoriteCaAl2(CO3)2(OH)4 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
5.DB.15HydrodresseriteBaAl2(CO3)2(OH)4 · 3H2OTric.
5.DB.20Schuilingite-(Nd)PbCu(Nd,Gd,Sm,Y)(CO3)3(OH) · 1.5H2O
5.DB.25SergeeviteCa2Mg11(CO3)9(HCO3)4(OH)4•6H2O
5.DB.30SzymańskiiteHg16(Ni,Mg)6(CO3)12(OH)12(H3O)8•3H2OHex.

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

16b.2.1.1DundasitePbAl2(CO3)2(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
16b.2.1.3StrontiodresseriteSrAl2(CO3)2(OH)4 · H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.7.1ScarbroiteAl5(CO3)(OH)13 · 5H2OHex.
11.7.2HydroscarbroiteAl14(CO3)3(OH)36 · nH2OTric.
11.7.3DawsoniteNaAlCO3(OH)2Orth. mmm (2/m 2/m 2/m) : Imma
11.7.4HydrotalciteMg6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
11.7.5Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
11.7.6IndigiriteMg2Al2(CO3)4(OH)2 · 15H2O
11.7.7AlumohydrocalciteCaAl2(CO3)2(OH)4 · 4H2OTric. 1 : P1
11.7.8Para-alumohydrocalciteCaAl2(CO3)2(OH)4 · 6H2O
11.7.9TunisiteNaCa2Al4(CO3)4(OH)8ClTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
11.7.10WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
11.7.11MontroyaliteSr4Al8(CO3)3(OH,F)26 · 10-11H2O
11.7.13HydrodresseriteBaAl2(CO3)2(OH)4 · 3H2OTric.
11.7.14StrontiodresseriteSrAl2(CO3)2(OH)4 · H2OOrth.

Other InformationHide

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 DresseriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jambor, J. L., Fong, D. G. and Sabina, A. P. (1969): Dresserite, the new barium analogue of dundasite. Canadian Mineralogist: 10, 84-89.
TARASSOFF, P., HORVÁTH, L., and PFENNINGER HORVÁTH, E., (2006) Mineralogy of the Francon quarry, Montréal, Québec. Mineralogical Record, 37, 5-60.

Internet Links for DresseriteHide

Localities for DresseriteHide

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.
Canada (TL)
 
  • Québec
    • Montréal
JAMBOR, J.L., FONG, D.G., and SABINA, A.P. (1969) Dresserite, the new barium analogue of dundasite. Canadian Mineralogist, 10, 84-89. TARASSOFF, P., HORVÁTH, L. and PFENNINGER-HORVÁTH, E. (2006) Famous mineral localities: the Francon quarry, Montréal, Québec. Mineralogical Record, 37, 5-60.
Mineral and/or Locality  
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