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Charmarite

A valid IMA mineral species
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02558590014977612555688.jpg
Charmarite-3T

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
06780200017068356392942.jpg
Charmarite, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
05516940014949192863621.jpg
Charmarite-2H

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
07999790014955031649381.jpg
Charmarite-3T

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
06897170015603551739165.jpg
Charmarite, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
00629060014946721773101.jpg
Charmarite-2H

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
02558590014977612555688.jpg
Charmarite-3T

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
06780200017068356392942.jpg
Charmarite, etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Hide all sections | Show all sections

About CharmariteHide

04088410015803970516089.jpg
Charles and Marcelle Weber
Formula:
Mn2+4Al2(OH)12[CO3] · 3H2O
Lustre:
Vitreous
Hardness:
2 - 2½
Crystal System:
Hexagonal
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.
Found as the polytypes charmarite-2H and charmarite-3T.


Unique IdentifiersHide

Mindat ID:
7582
Long-form identifier:
mindat:1:1:7582:0
GUID
(UUID V4):
e6b72b4c-0936-4a58-a291-ba5f28cf43ce

IMA Classification of CharmariteHide

IMA status:
Approved
IMA Formula:
Mn4Al2(OH)12(CO3) · 3H2O
Approval year:
1998
First published:
1997

Classification of CharmariteHide

Strunz-mindat (2024):
5.DA.40

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
Dana 8th ed.:
16b.7.16.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
CharIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of CharmariteHide

Lustre:
Vitreous
Transparency:
Transparent
Streak:
White
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{0001}
Fracture:
Irregular/Uneven

Optical Data of CharmariteHide

Type:
Uniaxial (-)

Chemistry of CharmariteHide

Mindat Formula:
Mn2+4Al2(OH)12[CO3] · 3H2O
Elements listed:
Al, C, H, Mn, O - search for minerals with similar chemistry

Crystallography of CharmariteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Charmarite-2HCharmarite-3T
Mn2+4Al2(CO3)(OH)12 · 3H2OMn2+4Al2(CO3)(OH)12 · 3H2O
Hexagonal Trigonal 
6 2 2 - Trapezohedral3 2 - Trapezohedral
P63 2 2 
P63 2 2 
a = 10.985(3) Å, c = 15.10(2) Å
a = 10.985(3) Å, c = 22.63(3) Å
a:c = 1 : 1.375a:c = 1 : 2.06
V 1,578.00 ų
(Calculated from Unit Cell)		V 2,364.91 ų
(Calculated from Unit Cell)
46

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
- Å()
Comments:
See polytype pages for powder XRD data.

Type Occurrence of CharmariteHide

Type Locality:
ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
General Appearance of Type Material:
Charmarite-2H: Tabular hexagonal crystals, commonly stacked along [0001] to form pagoda like aggregates. Also as thin mica-like plates, sometimes forming star-shaped aggregates.

Charmarite-3T: Thin {0001} plates forming caps at the free end of prismatic crystals or as stacked tabular crystals that taper off at the other end to give an overall appearance of a nail.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Ontario, Canada, numbers CMNMI81542, CMNMI81543, CMNMI81544 (charmarite-2H) and CMNM 81545 (charmarite-3T).
Royal Ontario Museum, Toronto, Ontario, Canada, numbers M45L94, M46765, M46766 (charmaite-2H) and M46767 (charmarite-3T).
Geological Setting of Type Material:
Late-stage hydrothermal minerals in miarolitic cavities and in pegmatitic bodies within nepheline syenite.
Associated Minerals at Type Locality:
AnalcimeNatroliteMicroclineAegirineAstrophyllite
TetranatroliteCatapleiiteCalciteSideriteRhodochrosite
BurbankiteKutnohorite

Synonyms of CharmariteHide

Other Language Names for CharmariteHide

German:Charmarit
Spanish:Charmarita

Relationship of Charmarite to other SpeciesHide

Member of:
Quintinite Group > Hydrotalcite Supergroup
Other Members of this group:
CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig. 3 2 : P31 1 2
ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
QuintiniteMg4Al2(OH)12(CO3) · 3H2OHex. 6 2 2 : P63 2 2
ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Charmarite associated with StrontianiteSrCO3
1 photo of Charmarite associated with QuartzSiO2
1 photo of Charmarite associated with Lalondeite(Na,Ca)6(Ca,Na)3Si16O38(F,OH)2 · 3H2O

Related Minerals - Strunz-mindat GroupingHide

5.DA.AlexkhomyakoviteK6(Ca2Na)(CO3)5Cl · 6H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
5.DA.AmoraiteCa12Al6(OH)36(CO3)2(SO3) · 15H2O Tric. 1 : P1
5.DA.05DypingiteMg5(CO3)4(OH)2 · 5H2OMon.
5.DA.05GiorgiositeMg5(CO3)4(OH)2 · 5-6H2O
5.DA.05HydromagnesiteMg5(CO3)4(OH)2 · 4H2OMon. 2/m : P21/b
5.DA.05WidgiemoolthaliteNi5(CO3)4(OH)2 · 5H2OMon. 2/m : P21/b
5.DA.05UM1986-10-CO:ClHMgMnZn (also called Mineral F, Dunn, 1995)Mg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O
5.DA.05UM1987-01-CO:HMgSMg4(CO3)2(OH)4 · 6H2O ?Mon.
5.DA.10ArtiniteMg2(CO3)(OH)2 · 3H2OMon. 2/m : B2/m
5.DA.10IndigiriteMg2Al2(CO3)4(OH)2 · 15H2O
5.DA.10ChlorartiniteMg2(CO3)(OH)Cl · 2H2OTrig. 3m : R3c
5.DA.15OtwayiteNi2(CO3)(OH)2 · H2OOrth.
5.DA.15ZaratiteNi3(CO3)(OH)4 · 4H2O ?Iso.
5.DA.20KambaldaiteNaNi4(CO3)3(OH)3 · 3H2OHex. 6 : P63
5.DA.25CallaghaniteCu2Mg2(CO3)(OH)6 · 2H2OMon. 2/m : B2/b
5.DA.30Claraite(Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2OTric. 1 : P1
5.DA.35HydroscarbroiteAl14(CO3)3(OH)36 · nH2OTric.
5.DA.35ScarbroiteAl5(CO3)(OH)13 · 5H2OTric.
5.DA.40CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig. 3 2 : P31 1 2
5.DA.40QuintiniteMg4Al2(OH)12(CO3) · 3H2OHex. 6 2 2 : P63 2 2
5.DA.40KarchevskyiteMg18Al9(OH)54Sr2(CO3)9(H2O)6 (H3O)5Trig.
5.DA.40UM1987-05-OH:AlCMgMg4Al2(OH)12(CO3,SO4) · 3H2O
5.DA.45Stichtite-2HMg6(Cr,Al)2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2OHex.
5.DA.45ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
5.DA.45Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45Pyroaurite-2HMg6Fe3+2(OH)16(CO3) · 4H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.DA.45ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.
5.DA.45LiudongshengiteZn4Cr2(OH)12(CO3) · 3H2OTrig. 3m (3 2/m) : R3m
5.DA.50ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
5.DA.50DesautelsiteMg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
5.DA.50HydrotalciteMg6Al2(CO3)(OH)16 · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50PyroauriteMg6Fe3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50ReevesiteNi6Fe3+2(OH)16(CO3) · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50TakoviteNi6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50KaznakhtiteNi6Co3+2(CO3)(OH)16 · 4H2OTrig. 3 : R3
5.DA.55CoalingiteMg10Fe3+2(OH)24[CO3] · 2H2OTrig. 3m (3 2/m) : R3m
5.DA.55Akopovaite Al4Li2(OH)12(CO3)(H2O)3Mon. 2/m : B2/m
5.DA.60ŠlikiteZn2Mg(CO3)2(OH)2 · 4H2OTric. 1 : P1
5.DA.65MarkliteCu5(CO3)2(OH)6 · 6H2OMon. 2/m : P21/b

Fluorescence of CharmariteHide

In UV light:
Not fluorescent.

Other InformationHide

Notes:
Attacked by 1:1 HCl and HNO3 with effervescence, and dissolve in 1:1 H2SO4 with effervescence.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CharmariteHide

References for CharmariteHide

Localities for CharmariteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
[Charmarite-2H] Chao et al. (1997)
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