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Formula: (Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Hydrated normal phosphate, phosphoferrite group,
manganese-bearing mineral, forms a series with
garyansellite
Crystal System: Orthorhombic
Specific gravity: 3.31 measured, 3.41 calculated
Hardness: 3½ to 4
Streak: Yellowish brown
Colour: Bronze, greenish brown, dark reddish brown, reddish brown
Environments
Kryzhanovskite is a rare low-temperature oxidation product of phosphate minerals in complex
granite pegmatites
and iron formations
(HOM).
Localities
At Rapid Creek, Dawson mining district, Yukon, Canada, kryzhanovskite is associated with
garyansellite,
ludlamite, arrojadite,
vivianite, metavivianite,
souzalite and quartz
(HOM).
At the type locality, the Ak-Kezen' pegmatite, Belogorskiy, Ulan, East Kazakhstan, Kazakhstan, kryzhanovskite
occurs in the pegmatite as the outer part of a large nodule of
altered triphylite, intimately associated with
sicklerite, from which it probably formed
(AM 36.382).
At the Clementine II pegmatite, Okatjimukuju Farm 55, Karibib Constituency, Erongo Region, Namibia, kryzhanovskite
is associated with ferrisicklerite and
triphylite
(HOM).
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