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Abenakiite-(Ce) from
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


01537300017072410201946.jpg
Abenakiite-(Ce), etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
01537300017072410201946.jpg
Abenakiite-(Ce), etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
00847620017071417072368.jpg
Abenakiite-(Ce), etc.

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Locality type:Quarry
Classification
Species:Abenakiite-(Ce)
Formula:Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)O
Chemical Analyses:
Oxide wt%:
12345
Na2O25.04 %25.33 %25.52 %25.37 %25.32 %
Ce2O315.50 %15.36 %15.24 %15.15 %15.31 %
La2O36.08 %5.86 %6.11 %5.69 %5.94 %
Nd2O38.04 %8.07 %7.59 %7.41 %7.78 %
Pr2O31.91 %2.43 %1.95 %1.77 %2.02 %
Sm2O30.88 %0.78 %0.59 %0.70 %0.74 %
ThO21.86 %1.27 %1.21 %1.32 %1.42 %
SrO0.12 %0.13 %0.09 %0.13 %0.12 %
SiO213.71 %13.35 %13.00 %13.14 %13.30 %
P2O514.60 %14.09 %13.70 %14.05 %14.11 %
SO22.34 %2.34 %2.18 %2.28 %2.28 %
CO29.10 %8.95 %8.76 %8.82 %8.91 %
Total:99.18 %97.96 %95.94 %95.83 %97.25 %
Empirical formulas:
5 Na24.23(Ce2.77Nd1.37La1.08Pr0.36Th0.16Sm0.13Sr0.03)Σ5.90Si6.56P5.90C6S1.06O63
Sample references:
1Analysis 1
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
2Analysis 2
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
3Analysis 3
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
4Analysis 4
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
5Average of analyses 1-4
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
Comments:Occurs as a vitreous, pale brown subhedral crystal 2 x 1 mm in size embedded in crystalline sodalite (variety hackmanite), and as a crust consisting of vitreous, translucent to opaque, beige subhedral crystals <0.5 mm in diameter. The material is very inconspicuous and unremarkable grains, resembling altered eudialyte, and may be easily overlooked.”
Colour:pinkish, pale brown
Abundance at site:Very Rare
Confirmation
Validity:Valid - Type Locality
Associated Minerals:
Associates:Aegirine
Eudialyte Group
Manganoneptunite
Polylithionite
Serandite
Sodalite
Steenstrupine-(Ce)
Associated Minerals Based on Photo Data:
Sodaliteⓘ1 photo of Abenakiite-(Ce) associated with Sodalite at this locality.
Data
Mineral Data:Click here to view Abenakiite-(Ce) data
Locality Data:Click here to view 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
Data Identifiers
Mindat Occurrence Record ID:2
Long-form Identifier:1:3:2:8
GUID (UUID V4):244472d0-5b23-46aa-833b-69e425b1b9de
References
McDonald, Andrew M., Chao, George Y., Grice, Joel D. (1994) Abenakiite-(Ce), a new silicophosphate carbonate mineral from Mont Saint-Hilaire, Quebec; description and structure determination. The Canadian Mineralogist, 32 (4) 843-854
 
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