Formula :
NaFesub>93+[(OH)10/(PO4)6] * 5 H2O
System: monoclinic Hardness:3 Rarity:rare
Strunz id:VII/D.11-140 -
PHOSPHATES, ARSENATES and VANADATES
Name origin: Named by Paul (Paulus) B. Moore and Jum Ito in 1978 in honor of Albert Lewis (or Laws) Kidwell (January 1, 1919 Auxvasse, Missouri, USA - August 16, 2008 Scottsdale, Arizona, USA), mineral collector and research geologist with Carter Oil Company and later Exxon Oil Company, Houston, Texas, USA.
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