Londonite

Type Locality

Antandrokomby pegmatite, Manandona Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar

Mineral Data

(Cs,K,Rb)Al₄Be₄(B,Be)₁₂O₂₈

Strunz:

6.GC.05

Physical Properties

Crystal System:

Isometric

Streak:

White

Hardness:

8.0

Synonyms

Synonyms:

Rhodizite - Rb

Tabs

Locality List

References

Mindat URL:

http://www.mindat.org/min-7082.html