Davidite-(Ce)

davidite-(Ce)

gadolinite

euxenite

thortveitite

Images

Formula: Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Multiple oxide, crichtonite group
Specific gravity: 4.29
Hardness: 6
Streak: Greyish black
Colour: Black
RADIOACTIVE
Environments

Pegmatites

Davidite-(Ce) occurs in a pegmatite dike, rich in rare-earth minerals, in granite. Associated minerals include ilmenite, rutile, gadolinite, euxenite, thortveitite, xenotime, allanite and zircon (HOM).

Localities

At the type locality, Frikstad 03 Feldspar Quarry, Frikstad, Iveland, Agder, Norway, davidite-(Ce) occurs in a granite pegmatite (Mindat). A specimen has been found which is a crystal fragment of davidite-(Ce) with a bit of adhering quartz and mica (AM 46.700-718).

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