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Quintinite

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Quintin Wight
Formula:
Mg4Al2(OH)12[CO3] · 3H2O
Colour:
Yellow to colorless, orange-brown
Lustre:
Vitreous
Hardness:
2
Crystal System:
Hexagonal
Name:
Named in 1997 by George Y. Chao and Robert A. Gault in honor of Quintin Wight [b. April 23, 1935 Canada], 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.


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Classification of QuintiniteHide

Approved
Approval Year:
1992
5.DA.40

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

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

Physical Properties of QuintiniteHide

Vitreous
Transparency:
Transparent
Colour:
Yellow to colorless, orange-brown
Hardness:

Chemical Properties of QuintiniteHide

Formula:
Mg4Al2(OH)12[CO3] · 3H2O
IMA Formula:
Mg4Al2(OH)12CO3 · 3H2O

Crystallography of QuintiniteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Quintinite-1MQuintinite-2HQuintinite-3T
  Mg4Al2(OH)12CO3 · 4H2O
Monoclinic  Trigonal 
2/m - Prismatic  
B2/m   
C2/m   
a = 5.266 Å, b = 9.114 Å, c = 7.766 Å
α = 90°, β = 103.17°, γ = 90°


a:b:c = 0.578 : 1 : 0.852  
V 362.9 ų  
1  

Type Occurrence of QuintiniteHide

Other Language Names for QuintiniteHide

German:Quintinit
Spanish:Quintinita

Relationship of Quintinite to other SpeciesHide

Other Members of this group:
CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig.
CharmariteMn2+4Al2(OH)12[CO3] · 3H2O
ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex.
ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
ZaccagnaiteZn4Al2(OH)12[CO3] · 3H2OHex.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Pyrite2 photos of Quintinite associated with Pyrite on mindat.org.
Hydrotalcite-2H1 photo of Quintinite associated with Hydrotalcite-2H on mindat.org.
Gorceixite1 photo of Quintinite associated with Gorceixite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.DA.AlexkhomyakoviteK6(Ca2Na)(CO3)5Cl·6H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
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.
5.DA.05WidgiemoolthaliteNi5(CO3)4(OH)2 · 5H2OMon.
5.DA.05UM1986-10-CO:ClHMgMnZnMg5(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.
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.
5.DA.25CallaghaniteCu2Mg2(CO3)(OH)6 · 2H2OMon.
5.DA.30Claraite(Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14·7H2OTric.
5.DA.35HydroscarbroiteAl14(CO3)3(OH)36 · nH2OTric.
5.DA.35ScarbroiteAl5(CO3)(OH)13 · 5H2OHex.
5.DA.40CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig.
5.DA.40CharmariteMn2+4Al2(OH)12[CO3] · 3H2O
5.DA.45Stichtite-2HMg6(Cr,Al)2(CO3)(OH)16 · 4H2OHex.
5.DA.45BrugnatelliteMg6Fe3+(CO3)(OH)13 · 4H2OHex.
5.DA.45ChlormagaluminiteMg4Al2(OH)12Cl2 · 3H2OHex.
5.DA.45Hydrotalcite-2HMg6Al2(CO3)(OH)16 · 4H2OHex.
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.50ComblainiteNi4Co2(OH)12[CO3] · 3H2OTrig.
5.DA.50DesautelsiteMg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
5.DA.50HydrotalciteMg6Al2(OH)16[CO3] · 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.
5.DA.50StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
5.DA.50TakoviteNi6Al2(OH)16[CO3] · 4H2OTrig.
5.DA.50UM1998-10-CO:CoHNiCo6Fe2(CO3)(OH)16 · 4H2O ?
5.DA.55CoalingiteMg10Fe3+2(OH)24[CO3] · 2H2OTrig.

Related Minerals - Dana Grouping (8th Ed.)Hide

16b.7.16.1CharmariteMn2+4Al2(OH)12[CO3] · 3H2O
16b.7.16.3CaresiteFe2+4Al2(OH)12[CO3] · 3H2OTrig.

Other InformationHide

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 QuintiniteHide

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., 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 QuintiniteHide

Localities for QuintiniteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Bolivia
 
  • Cochabamba Department
    • Ayopaya Province
[Quintinite-1M] A.R. Kampf
Brazil (TL)
 
  • 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 (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu 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.
Norway
 
  • Buskerud
    • Modum
      • Snarum
Raade, G. (2013): Hydrotalcite and quintinite from Dypingdal, snarum, Buskerud, Norway. Norsk Bergverksmuseum Skrifter. 50, 55-57
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Zheleznogorsk (Korshunikha)
[Quintinite-2H] Lapis 37(2) 2012, p. 12
  • Northern Region
    • Murmanskaya Oblast'
[Quintinite-1M] Mineralogical Magazine 74, 833–840 (2010)
http://maurice.strahlen.org/kola/kovdor.htm; Britvin, S. N., Chukanov, N. V., Bekenova, G. K., Yagovkina, M. A., Antonov, A. V., Bogdanova, A. N., & Krasnova, N. I. (2008). Karchevskyite,[Mg18Al9 (OH) 54][Sr2 (CO3, PO4) 9 (H2O, H3O) 11], a new mineral species of the layered double hydroxide family. Geology of Ore Deposits, 50(7), 556-564.
Mineral and/or Locality  
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