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Quintinite-3T

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Formula:
Mg4Al2(OH)12CO3 · 4H2O
Lustre:
Vitreous
Hardness:
2
Crystal System:
Trigonal
Name:
Named after Quintin Wight (b. 1935), of Ottawa, Ontario, Canada, significant contributor to mineral studies at Mont Saint-Hilaire, and author of The Complete Book of Micromounting (1993).
A polytype of Quintinite

The 3T polytype was originally described from Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada.


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Physical Properties of Quintinite-3THide

Vitreous
Hardness:

Chemical Properties of Quintinite-3THide

Formula:
Mg4Al2(OH)12CO3 · 4H2O

Crystallography of Quintinite-3THide

Crystal System:
Trigonal

Synonyms of Quintinite-3THide

Other Language Names for Quintinite-3THide

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 Quintinite-3THide

Reference List:
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Canadian Mineralogist 35, 1541-1549(1997)

Internet Links for Quintinite-3THide

Localities for Quintinite-3THide

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.
Canada
 
  • 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; American Mineralogist: 83: 1347.
Mineral and/or Locality  
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