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Formula: SrMn2+2Fe3+2(PO4)3(OH)3
Phosphate, bjarebyite group,
strontium- and manganese-
bearing mineral
Crystal System: Monoclinic
Specific gravity: 3.89 calculated
Colour: Dark brownish orange
Environments
Strontioperloffite is a relatively new mineral, approved in 2015 and to date (March 2024) reported only from the
type locality.
Localities
At the type locality, the Spring Creek Mine, Wilmington, South Flinders Ranges, Flinders Ranges, South Australia,
strontioperloffite occurs as tabular to bladed, vitreous, translucent crystals up to 0.4 mm in size. Associated
Minerals include copper, cuprite,
mitridatite and rhodochrosite
(EJM 31.3.549-555).
Strontioperloffite is a secondary mineral found in
cavities in quartz veins from low-temperature hydrothermal solutions
(HOM).
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