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Strontiodresserite

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Kjøpsvik, Tysfjord, Nordland, Norway
© OT. Ljostad

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Formula:
(Sr,Ca)Al
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
System:OrthorhombicColour:White
Hardness:2 - 3
Member of:Dresserite Group
Name:Named as the strontium-bearing analogue of dresserite.
This page provides mineralogical data about Strontiodresserite.

Classification of Strontiodresserite

IMA status:Approved 1977
Strunz 8th edition ID:5/E.08-50
Nickel-Strunz 10th (pending) edition ID:5.DB.10

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
B : With large and medium-sized cations
Dana 8th edition ID:16b.2.1.3

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : AmBn(XO3)pZqxH2O & with (m+n):p = 3:2
Hey's CIM Ref.:11.7.14

11 : Carbonates
7 : Carbonates of Al
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Type Occurrence of Strontiodresserite

Type Locality:Francon quarry, Montréal, Québec, Canada
Year of Discovery:1977

Physical Properties of Strontiodresserite

Lustre:Vitreous, Silky
Colour:White
Hardness (Mohs):2 - 3

Crystallography of Strontiodresserite

Crystal System:Orthorhombic
Cell Parameters:a = 9.14Å, b = 15.91Å, c = 5.59Å
Ratio:a:b:c = 0.574 : 1 : 0.351
Unit Cell Volume:V 812.88 ų (Calculated from Unit Cell)

Optical Data of Strontiodresserite

Type:Biaxial (-)
RI values: nα = 1.510 nβ = 1.583 nγ = 1.595
2V:Measured: 42° , Calculated: 42°
Maximum Birefringence:δ = 0.085

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Strontiodresserite

Formula:
(Sr,Ca)Al
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
Essential elements:Al, C, H, O, Sr
All elements listed in formula:Al, C, Ca, H, O, Sr

Relationship of Strontiodresserite to other Species

Member of:Dresserite Group
Other Members of Group:

- +
Dresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
Hydrodresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
5.DB.05Alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
5.DB.05Nasledovite
PbMn
 
3
Al
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
5
 · 5H
 
2
O
5.DB.05Para-alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 6H
 
2
O
5.DB.05UM1977-02-CO:AlCaH
Ca
 
3
Al
 
2
(CO
 
3
)
 
3
O
 
6
 · 32H
 
2
O
5.DB.10Dresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Dundasite
PbAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Montroyalite
Sr
 
4
Al
 
8
(CO
 
3
)
 
3
(OH,F)
 
26
 · 10-11H
 
2
O
5.DB.10Petterdite
PbCr
3+
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Kochsándorite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.15Hydrodresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
5.DB.20Schuilingite-(Nd)
PbCu(Nd,Gd,Sm,Y)(CO
 
3
)
 
3
(OH) · 1.5H
 
2
O
5.DB.25Sergeevite
Ca
 
2
Mg
 
11
(CO
 
3
)
 
13
 · 10H
 
2
O
5.DB.30Szymańskiite
Hg
 
16
(Ni,Mg)
 
6
(CO
 
3
)
 
12
(OH)
 
12
 · 11H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.7.1Scarbroite
Al
 
5
(CO
 
3
)(OH)
 
13
 · 5H
 
2
O
11.7.2Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
 · nH
 
2
O
11.7.3Dawsonite
NaAlCO
 
3
(OH)
 
2
11.7.4Hydrotalcite
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.7.5Manasseite
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.7.6Indigirite
Mg
 
2
Al
 
2
(CO
 
3
)
 
4
(OH)
 
2
 · 15H
 
2
O
11.7.7Alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
11.7.8Para-alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 6H
 
2
O
11.7.9Tunisite
NaCa
 
2
Al
 
4
(CO
 
3
)
 
4
(OH)
 
8
Cl
11.7.10Wermlandite
Mg
 
7
(Ca,Mg)(Al,Fe)
 
2
(SO
 
4
)
 
2
(OH)
 
18
 · 12H
 
2
O
11.7.11Montroyalite
Sr
 
4
Al
 
8
(CO
 
3
)
 
3
(OH,F)
 
26
 · 10-11H
 
2
O
11.7.12Dresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
11.7.13Hydrodresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O

Other Names for Strontiodresserite

Synonyms:
IMA1977-005
Other Languages:
German:Strontiodresserit
Spanish:Strontiodresserita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Strontiodresserite

Reference List:

- +
Jambor, J. L., Sabina, A. P., Roberts, A. C. and Sturman, B. D. (1977): Strontiodresserite, a new Sr-Al carbonate from Montreal Island, Quebec. Canadian Mineralogist: 15: 405-407.

Whitfield, P. S.; Mitchell, L. D.; Le Page, Y.; Margeson, J.; Roberts, A. C. (2010): Crystal structure of the mineral strontiodresserite from laboratory powder diffraction data. Powder Diffraction 25, 322-328.

Internet Links for Strontiodresserite

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    • Localities for Strontiodresserite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Austria
     
    • Carinthia
      • Gailtaler Alpen & Karnische Alpen
        • Dellach im Drautal
          • Stein
    		Prasnik, H., Brandstätter, F., Niedermayr, G. & Walter, F. (2010): Strontiodresserit in den Gailtaler Alpen. Mineralien-Welt 21 (6), 72-73.
    Canada
     
    • Québec
      • Montréal
    		Canadian Mineralogist (1977): 15, 405-407.
    France
     
    • Rhône-Alpes
      • Drôme
        • Nyons
    		• Martin, R., Meisser, N., Beaudet, D. (2004): La strontiodressérite, un minéral rarissime. Le Cristallier Suisse, 4/2004, 31-36.
    Norway
     
    • Nordland
      • Tysfjord
    		Tomas Husdal - collection
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