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Strontiodresserite

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Kjøpsvik, Tysfjord, Nordland, Norway
© OT. Ljostad

Show Strontiodresserite Photos (10)
Formula:
(Sr,Ca)Al
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O
System:OrthorhombicColour:White
Hardness:2 - 3
Name:Named as the strontium-bearing analogue of dresserite.


Dresserite Group

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
[(OH)
 
2
|CO
 
3
]
 
2
 · 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

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
O
 
6
(CO
 
3
)
 
3
·32H
 
2
O
5.DB.10Dresserite
BaAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O
5.DB.10Dundasite
PbAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O
5.DB.10Montroyalite
Sr
 
4
Al
 
8
[(OH,F)
 
26
|(CO
 
3
)
 
3
] · 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
[(OH)
 
2
|CO
 
3
]
 
2
 · 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
(H
 
3
O)
 
8
·3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.7.1Scarbroite
Al
 
5
(OH)
 
13
CO
 
3
·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
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
11.7.5Manasseite
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 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
(H
 
2
O)
 
12
11.7.11Montroyalite
Sr
 
4
Al
 
8
[(OH,F)
 
26
|(CO
 
3
)
 
3
] · 10-11H
 
2
O
11.7.12Dresserite
BaAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · H
 
2
O
11.7.13Hydrodresserite
BaAl
 
2
[(OH)
 
2
|CO
 
3
]
 
2
 · 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.

Internet Links for Strontiodresserite

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    Localities for Strontiodresserite

    Hide Locality List
    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.
    (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.
    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
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 5th Nov 2009 13:35:15