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|System:||Hexagonal||Colour:||Yellow to colorless, ...|
|Quintinite Group > Hydrotalcite Supergroup|
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
|Colour:||Yellow to colorless, orange-brown|
Crystallography of Quintinite
Chemical Properties of Quintinite
|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:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Quintinite
Polytypes for Quintinite
|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
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
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.
(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.
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New Locality Added: Mutolo Mtn., Canolo, Reggio Calabria Province, Calabria, ItalyFrom Ferdinando Giovine, 18th May 2013 10:23:00