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Formula: Ca2(IO3)2(CrO4).H2O
Compound iodate
Crystal System: Monoclinic
Specific gravity: 3.617 to 3.698 measured, 3.61 calculated
Hardness: 3½
Streak: Light yellow
Colour: Golden yellow
Solubility: Slowly soluble in cold water, quicker in hot water
Environments
Localities
The type locality is the Lautaro mine, Morro Moreno, Antofagasta, Chile.
At Oficina María Elena, María Elena, Tocopilla Province, Antofagasta, Chile, dietzeite occurs in nitrate
deposits in the arid region. Associated minerals include lópezite,
tarapacáite and ulexite
(HOM).
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