Babylon NG
Simply the best definition!

Download it's free

Alluaudite

Wikipedia English The Free Encyclopedia

Download this dictionary
Alluaudite
Alluaudite is a relatively common alkaline manganese iron phosphate mineral with formula (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3. It occurs as metasomatic replacement in granitic pegmatites and within phosphatic nodules in shales.

See more at Wikipedia.org...


© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License

Mineralogy Database Dictionary

Download this dictionary
Alluaudite

General Information:
 Chemical Formula:
NaCaFe++(Mn,Fe++,Fe+++,Mg)2(PO4)3
 IMA Status:
Approved IMA 1976
Physical Properties:
 Cleavage:
[100] Good, [010] Good
 Color:
brownish yellow, green, yellow, or black.
 Density:
3.52 - 3.584, Average = 3.55
 Diaphaniety:
Subtranslucent to Opaque
 Hardness:
5-5.5 - Apatite-Knife Blade
 Streak:
brownish yellow
More details...


| Alluaudite in French | Alluaudite in Portuguese | Alluaudite in Farsi