Formula : PbAl3[(OH)6/AsO3(OH)/AsO4]
System: trigonal Hardness:4½ Rarity:very rare
Strunz id:VII/B.36-80 -
PHOSPHATES, ARSENATES and VANADATES
Name origin: Honors Hellmut von Philipsborn (1892–1983), Professor Emeritus of Mineralogy,
University of Bonn, Bonn, Germany.
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