Meaning of ABENAKIITE-(CE) in English

ABENAKIITE-(CE)

General Information:

Chemical Formula:

Na26REE6(SiO3)6(PO4)6(CO3)6(S++++O2)O

Composition:

(Molecular Weight = 2,928.18 gm)

La,Ce,Pr,Nd,Sm,29.51 % RE

Sodium 20.41 % Na

Silicon 5.75 % Si

Phosphorus 6.35 % P

Carbon 2.46 % C

Sulfur 1.10 % S

Oxygen 34.42 % O

Empirical Formula:

Na26REE6(SiO3)6(PO4)6(CO3)6(SO2)O

Environment:

A single crystal embedded in sodalite in a xenolith of sodalite syenite.

IMA Status:

Approved IMA 1992

Locality:

TL: Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada.

Name Origin:

For the Abenaki Indian tribe, which inhabited the area around Mont Saint-Hilaire.

Physical Properties:

Cleavage:

[0001] Poor

Color:

pale brown.

Density:

3.21

Diaphaniety:

Transparent

Habits:

Euhedral Crystals - Occurs as well-formed crystals showing good external form., ,

Hardness:

4 - Fluorite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

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