Formula :
NaCa2(Mg,Mn2+)2[AsO4]3
System: cubic Hardness:4½-5 Rarity:rare
Strunz id:VII/A.8-30 -
PHOSPHATES, ARSENATES and VANADATES
Name origin: Named by O. Kuhn in 1840 for Jöns Jakob Berzelius, Swedish chemist [August 20, 1779 Linköping, Sweden - August 7, 1848 Stockholm, Sweden], discoverer of Ce, Se, Si, Zr, Ti, and Th as well as elements he provided to his students for description. Devised the chemical symbols. Father of analytical chemistry.
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