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Formula: Mn2+(UO2)2(VO4,PO4)2.4H2O
Hydrated uranyl vanadate,
francevillite group,
manganese-bearing mineral
Crystal System: Tetragonal
Specific gravity: 3.5 measured
Hardness: 2 to 3
Streak: Brownish white
Colour: Reddish brown, hyacinth-red
Very strongly RADIOACTIVE
Environments
Metamorphic environments
Hydrothermal environments
Localities
There are co-type localities, Nejdek, Karlovy Vary District, Karlovy Vary Region, Czech Republic, and the Georg Wagsfort
Mine, Johanngeorgenstadt, Erzgebirgskreis, Saxony, Germany.
At Nejdek, Karlovy Vary District, Karlovy Vary Region, Czech Republic, fritzscheite occurs in a
hematite deposit associated with
autunite and torbernite
(HOM).
At the Georg Wagsfort Mine, Johanngeorgenstadt, Erzgebirgskreis, Saxony, Germany, fritzscheite occurs as
rectangular-tetragonal, reddish brown to hyacinth-red plates with glassy to pearly lustre, associated with
autunite and torbernite
(MinRec 55.5.587)>
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