Charmarite
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About Charmarite
Charles and Marcelle Weber
Formula:
Mn2+4Al2(OH)12[CO3] · 3H2O
Crystal System:
Hexagonal
Member of:
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
Approved
Approval Year:
1998
5/E.02-08
5.DA.40
5.DA.40
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
16b.7.16.1
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Chemical Properties of Charmarite
Formula:
Mn2+4Al2(OH)12[CO3] · 3H2O
IMA Formula:
Mn4Al2(OH)12(CO3) · 3H2O
Crystallography of Charmarite
Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
| Charmarite-2H | Charmarite-3T |
|---|---|
| Mn2+4Al2(CO3)(OH)12 · 3H2O | Mn2+4Al2(CO3)(OH)12 · 3H2O |
| Hexagonal | Trigonal |
| a = 10.98(5) Å, c = 15.1(2) Å | a = 10.985(3) Å, c = 22.63(3) Å |
| a:c = 1 : 1.375 | a:c = 1 : 2.06 |
| V 1,576.57 ų (Calculated from Unit Cell) | V 2,364.91 ų (Calculated from Unit Cell) |
| 4 | 6 |
Type Occurrence of Charmarite
Synonyms of Charmarite
Other Language Names for Charmarite
German:Charmarit
Spanish:Charmarita
Relationship of Charmarite to other Species
Member of:
Other Members of this group:
| Caresite | Fe2+4Al2(OH)12[CO3] · 3H2O | Trig. |
| Chlormagaluminite | Mg4Al2(OH)12Cl2 · 3H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm |
| Comblainite | Ni4Co2(OH)12[CO3] · 3H2O | Trig. |
| Quintinite | Mg4Al2(OH)12(CO3) · 3H2O | Hex. 6 2 2 : P63 2 2 |
| Zaccagnaite | Zn4Al2(OH)12[CO3] · 3H2O | Hex. |
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Charmarite associated with Strontianite | SrCO3 |
Related Minerals - Nickel-Strunz Grouping
| 5.DA. | Alexkhomyakovite | K6(Ca2Na)(CO3)5Cl · 6H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm |
| 5.DA.05 | Dypingite | Mg5(CO3)4(OH)2 · 5H2O | Mon. |
| 5.DA.05 | Giorgiosite | Mg5(CO3)4(OH)2 · 5-6H2O | |
| 5.DA.05 | Hydromagnesite | Mg5(CO3)4(OH)2 · 4H2O | Mon. |
| 5.DA.05 | Widgiemoolthalite | Ni5(CO3)4(OH)2 · 5H2O | Mon. |
| 5.DA.05 | UM1986-10-CO:ClHMgMnZn (also called Mineral F, Dunn, 1995) | Mg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O | |
| 5.DA.05 | UM1987-01-CO:HMgS | Mg4(CO3)2(OH)4 · 6H2O ? | Mon. |
| 5.DA.10 | Artinite | Mg2(CO3)(OH)2 · 3H2O | Mon. |
| 5.DA.10 | Indigirite | Mg2Al2(CO3)4(OH)2 · 15H2O | |
| 5.DA.10 | Chlorartinite | Mg2(CO3)(OH)Cl · 2H2O | Trig. 3m : R3c |
| 5.DA.15 | Otwayite | Ni2(CO3)(OH)2 · H2O | Orth. |
| 5.DA.15 | Zaratite | Ni3(CO3)(OH)4 · 4H2O ? | Iso. |
| 5.DA.20 | Kambaldaite | NaNi4(CO3)3(OH)3 · 3H2O | Hex. |
| 5.DA.25 | Callaghanite | Cu2Mg2(CO3)(OH)6 · 2H2O | Mon. |
| 5.DA.30 | Claraite | (Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2O | Tric. |
| 5.DA.35 | Hydroscarbroite | Al14(CO3)3(OH)36 · nH2O | Tric. |
| 5.DA.35 | Scarbroite | Al5(CO3)(OH)13 · 5H2O | Hex. |
| 5.DA.40 | Caresite | Fe2+4Al2(OH)12[CO3] · 3H2O | Trig. |
| 5.DA.40 | Quintinite | Mg4Al2(OH)12(CO3) · 3H2O | Hex. 6 2 2 : P63 2 2 |
| 5.DA.45 | Stichtite-2H | Mg6(Cr,Al)2(CO3)(OH)16 · 4H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
| 5.DA.45 | Brugnatellite | Mg6Fe3+(CO3)(OH)13 · 4H2O | Hex. |
| 5.DA.45 | Chlormagaluminite | Mg4Al2(OH)12Cl2 · 3H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm |
| 5.DA.45 | Hydrotalcite-2H | Mg6Al2(CO3)(OH)16 · 4H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
| 5.DA.45 | Pyroaurite-2H | Mg6Fe3+2(OH)16(CO3) · 4H2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
| 5.DA.45 | Zaccagnaite | Zn4Al2(OH)12[CO3] · 3H2O | Hex. |
| 5.DA.50 | Comblainite | Ni4Co2(OH)12[CO3] · 3H2O | Trig. |
| 5.DA.50 | Desautelsite | Mg6Mn3+2(OH)16[CO3] · 4H2O | Trig. 3m (3 2/m) |
| 5.DA.50 | Hydrotalcite | Mg6Al2(CO3)(OH)16 · 4H2O | Trig. 3m (3 2/m) : R3m |
| 5.DA.50 | Pyroaurite | Mg6Fe3+2(OH)16[CO3] · 4H2O | Trig. 3m (3 2/m) : R3m |
| 5.DA.50 | Reevesite | Ni6Fe3+2(OH)16(CO3) · 4H2O | Trig. |
| 5.DA.50 | Stichtite | Mg6Cr3+2(OH)16[CO3] · 4H2O | Trig. 3m (3 2/m) : R3m |
| 5.DA.50 | Takovite | Ni6Al2(OH)16[CO3] · 4H2O | Trig. 3m (3 2/m) : R3m |
| 5.DA.50 | UM1998-10-CO:CoHNi | Ni6Co2(CO3)(OH)16 · 4H2O | |
| 5.DA.55 | Coalingite | Mg10Fe3+2(OH)24[CO3] · 2H2O | Trig. |
Related Minerals - Dana Grouping (8th Ed.)
| 16b.7.16.3 | Caresite | Fe2+4Al2(OH)12[CO3] · 3H2O | Trig. |
| 16b.7.16.3 | Quintinite | Mg4Al2(OH)12(CO3) · 3H2O | Hex. 6 2 2 : P63 2 2 |
Other Information
Health Risks:
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
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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
mindat.org URL:
https://www.mindat.org/min-7582.html
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Localities for Charmarite
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Canada | |
| [Charmarite-2H] 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. |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada