FERRONORDITE-(CE)


Meaning of FERRONORDITE-(CE) in English

General Information:

Chemical Formula:

Na3SrCeFe++Si6O17

Composition:

(Molecular Weight = 793.05 gm)

Sodium 8.70 % Na

Strontium 11.05 % Sr

Cerium 17.67 % Ce

Iron 7.04 % Fe

Silicon 21.25 % Si

Oxygen 34.30 % O

Empirical Formula:

Na3SrCeFe2+Si6O17

Environment:

In areas of ultra-alkaline mineralization in small cavities in pegmatoid sodalite syenites. In ussingite veinlets.

IMA Status:

Approved IMA (Dana # Added)

Locality:

Chinlusuia River, Lovozero Alkaline massif, Kola Peninsula, Russia.

Name Origin:

Named as the Fe++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif.

Physical Properties:

Cleavage:

[100] Perfect

Color:

colorless or light coffee brown.

Density:

3.46 - 3.54, Average = 3.5

Diaphaniety:

Transparent

Habits:

Rosette - Bundled tabular aggregates resembling rose flower petals., Aggregates - Made of numerous individual crystals or clusters.,

Hardness:

5-5.5 - Apatite-Knife Blade

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .