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Quintinite

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Big Photo

Kovdor Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Elmar Lackner

Show Quintinite Photos (20)



Formula:
Mg
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
System:HexagonalColour:Yellow to colorless, ...
Lustre:VitreousHardness:2
Member of:Quintinite Group > Hydrotalcite Supergroup
Name:
Named after Quintin Wight (b. 1935), of Ottawa, Ontario, Canada, significant contributor to mineral studies at Mont Saint-Hilaire, and author of "The Complete Book of Micromounting" (1993).


Found as both 2H and 3T polytypes.

Both polytypes were originally approved as separate species (IMA 1992-028 and IMA 1992-029, respectively), but polytypes are not considered as separate species anymore since 1998.

Classification of Quintinite

IMA status:Approved 1992
Explanation of status:As of 1998, polytypes are no longer regarded by IMA as separate species, so Quintinite regains its species status.
Strunz 9th edition ID:5.DA.40
Nickel-Strunz 10th (pending) edition ID:5.DA.40

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th edition ID:16b.7.16.3

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
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Type Occurrence of Quintinite

Co-type Localities:Jacupiranga Mine, Cajati, São Paulo, Brazil
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada

Physical Properties of Quintinite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Yellow to colorless, orange-brown
Hardness (Mohs):2

Crystallography of Quintinite

Crystal System:Hexagonal

Chemical Properties of Quintinite

Formula:
Mg
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Essential elements:Al, C, H, Mg, O
All elements listed in formula:Al, C, H, Mg, O

Relationship of Quintinite to other Species

Member of:Quintinite Group > Hydrotalcite Supergroup
Other Members of Group:

- +
Caresite
Fe
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Charmarite
Mn
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Chlormagaluminite
Mg
 
4
Al
 
2
(OH)
 
12
Cl
 
2
 · 3H
 
2
O
Comblainite
Ni
 
4
Co
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Zaccagnaite
Zn
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
5.DA.05Dypingite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5H
 
2
O
5.DA.05Giorgiosite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5-6H
 
2
O
5.DA.05Hydromagnesite
Mg
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 4H
 
2
O
5.DA.05Widgiemoolthalite
Ni
 
5
(CO
 
3
)
 
4
(OH)
 
2
 · 5H
 
2
O
5.DA.05UM1986-10-CO:ClHMgMnZn
Mg
 
5
(Zn,Mn)
 
3
(CO
 
3
)
 
2
(OH,Cl)
 
12
 · H
 
2
O
5.DA.05UM1987-01-CO:HMgS
Mg
 
4
(CO
 
3
)
 
2
(OH)
 
2
 · 6H
 
2
O ?
5.DA.10Artinite
Mg
 
2
(CO
 
3
)(OH)
 
2
 · 3H
 
2
O
5.DA.10Indigirite
Mg
 
2
Al
 
2
(CO
 
3
)
 
4
(OH)
 
2
 · 15H
 
2
O
5.DA.10Chlorartinite
Mg
 
2
(CO
 
3
)(OH)Cl · 2H
 
2
O
5.DA.15Otwayite
Ni
 
2
(CO
 
3
)(OH)
 
2
 · H
 
2
O
5.DA.15Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
5.DA.20Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
 · 3H
 
2
O
5.DA.25Callaghanite
Cu
 
2
Mg
 
2
(CO
 
3
)(OH)
 
6
 · 2H
 
2
O
5.DA.30Claraite
(Cu,Zn)
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
5.DA.35Hydroscarbroite
Al
 
14
(CO
 
3
)
 
3
(OH)
 
36
 · nH
 
2
O
5.DA.35Scarbroite
Al
 
5
(CO
 
3
)(OH)
 
13
 · 5H
 
2
O
5.DA.40Caresite
Fe
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.40Charmarite
Mn
2+
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.45Stichtite-2H
Mg
 
6
(Cr,Al)
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
 · 4H
 
2
O
5.DA.45Chlormagaluminite
Mg
 
4
Al
 
2
(OH)
 
12
Cl
 
2
 · 3H
 
2
O
5.DA.45Hydrotalcite-2H
Mg
 
6
Al
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Pyroaurite-2H
Mg
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
5.DA.45Zaccagnaite
Zn
 
4
Al
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.50Comblainite
Ni
 
4
Co
 
2
(OH)
 
12
[CO
 
3
] · 3H
 
2
O
5.DA.50Desautelsite
Mg
 
6
Mn
3+
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Hydrotalcite
Mg
 
6
Al
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Pyroaurite
Mg
 
6
Fe
3+
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Reevesite
Ni
 
6
Fe
3+
2
(OH)
 
16
(CO
 
3
) · 4H
 
2
O
5.DA.50Stichtite
Mg
 
6
Cr
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50Takovite
Ni
 
6
Al
 
2
(OH)
 
16
[CO
 
3
] · 4H
 
2
O
5.DA.50UM1998-10-CO:CoHNi
Co
 
6
Fe
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O ?
5.DA.55Coalingite
Mg
 
10
Fe
3+
2
(OH)
 
24
[CO
 
3
] · 2H
 
2
O

Other Names for Quintinite

Other Languages:
German:Quintinit
Spanish:Quintinita

Polytypes for Quintinite

Polytypes:
Quintinite-2HQuintinite-3T

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 Quintinite

Reference List:

- +
CHAO, G.Y., and GAULT, R.A. (1997) Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist, 35, 1541-1549.

Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.

Internet Links for Quintinite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Quintinite details from Handbook of Mineralogy (PDF)
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    • Localities for Quintinite

    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.
    Brazil
     
    • São Paulo
      • Cajati
    		Chao, G.Y., Gault, R.A. (1997), Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T, and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist: 35: 1541-1549.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Chao, G.Y., Gault, R.A. (1997), Quintinite-2H, quintinite-3T, charmarite-2H, charmarite-3T, and caresite-3T, a new group of carbonate minerals related to the hydrotalcite-manasseite group. Canadian Mineralogist: 35: 1541-1549.
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Zheleznogorsk
    		[Quintinite-2H] Lapis 37(2) 2012, p. 12
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Kovdor Massif
    		http://maurice.strahlen.org/kola/kovdor.htm
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