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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
© Martin Stolworthy
|Quintinite Group > Hydrotalcite Supergroup|
|Name:||Named in 1997 by George Y. Chao and Robert A. Gault for Charles [1917-2003] and Marcelle [September 19, 1918 - 2003] Weber, amateur mineralogists of Guilford, Connecticut, USA, who contributed extensively to the knowledge of Mt. Saint-Hilaire, and who also found the mineral.|
Classification of Charmarite
|IMA status:||Approved 1998|
|Explanation of status:||As of 1998, polytypes are no longer regarded by IMA as separate species, so Charmarite regains its species status.|
|Strunz 8th edition ID:||5/E.02-08|
|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.7.16.1|
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
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Type Occurrence of Charmarite
|Type Locality:||Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada|
Chemical Properties of Charmarite
|Simplified for copy/paste:||Mn2+4Al2(OH)12[CO3]·3H2O|
|Essential elements:||Al, C, H, Mn, O|
|All elements listed in formula:||Al, C, H, Mn, O|
Relationship of Charmarite to other Species
|Member of:||Quintinite Group > Hydrotalcite Supergroup|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Charmarite
Polytypes for Charmarite
|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 Charmarite
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., A. G. Christy, J.-M. R. Genin, T. Kameda, and F. Colombo (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine 76(5), 1289-1336.
Internet Links for Charmarite
Localities for Charmarite
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.