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Description from the source:
Londonite-Rhodizite serie ( (Cs K Rb) Al4 Be4 (B Be)12 028 to Rb=0 for the pure Rhodizite cub.), Antandrokomby, Antsirabe`, Madagascar. Yellow, partially translucent crystals on matrix with tourmaline. I repeat these species also for other elements, but are very interesting and rich in rare elements. 3,5x2,5x1,5 cm; 12 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 19 November, 2008
Text Updated: 20 November, 2008
Price: Trade
Size: 1.4"
Composition: (CsKRb)Al4Be4(BBe)12