Fülöppite

sulfosalt

heteromorphite

Formula: Pb3Sb8S15
Sulfosalt, plagionite group, forms series with heteromorphite, plagionite and semseyite.
Specific gravity: 5.23
Hardness: 2½
Streak: Reddish grey
Colour: lead grey, tarnishing to steel blue or bronzy
Environments:

Hydrothermal environments

Fülöppite is a rare mineral of hydrothermal origin, (Webmin, HOM) associated with zinkenite, semseyite, fizélyite, andorite, freieslebenite, geocronite, boulangerite, jamesonite, cinnabar, sphalerite, marcasite, quartz and dolomite (HOM).

At Baia Mare, Maramures, Roumania, fülöppite has been found with sphalerite, quartz, dolomite, sulphur and zinkenite (AM 15.201-202).

Back to Minerals