Mineralape
Londonite
Robert M. Lavinsky·CC BY-SA 3.0·Wikimedia

Londonite

CsBe5Al4B11O28
Cubico crown IMA approved

Состав

Composizione (% in peso)
O
Cs
B
Al
  • OOxygen52.5%
  • CsCaesium15.6%
  • BBoron13.9%
  • AlAluminium12.7%
  • BeBeryllium5.3%

Этимология

Назван в честь David London.