Mineral description : Vandendriesscheite

Mineral class Oxides : Uraninite - Ianthinite group

Chemical formula PbU₇O₂₂^.12H₂O

Crystal system Orthorombic

Habitus Crystals up to 3mm, platy.

Cleavage Perfect on [001], brittle conchoidal smooth uneven splintery-->

Hardness 3

Density 5.45

Color Orange yellow to yellow.

Streak

Luster Adamantine, transparent to translucent.

Description A secondary uranium mineral.

Occurance In uranium deposits.

Associates Uranite, other secondary uranium minerals.

Notes Type Locality: Kasolo (Shinkolobwe), Katanga (Shaba), Congo (Zaire)

Locations A rare mineral in Scandinavia.
Sweden :

Lilljuthatten, Krokom, Jämtland. Ref : MinMag 46 pg 217, SGU C779 pg 21
Norway :

Einerkilen pegmatite, Evje. One find of orange yellow crystal aggregate on magnetite.
Finland : No localities known.

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Last changed : 2001-02-14

Mineral class	Oxides : Uraninite - Ianthinite group
Chemical formula	PbU₇O₂₂^.12H₂O
Crystal system	Orthorombic
Habitus	Crystals up to 3mm, platy.
Cleavage	Perfect on [001], brittle conchoidal smooth uneven splintery-->
Hardness	3
Density	5.45
Color	Orange yellow to yellow.
Streak
Luster	Adamantine, transparent to translucent.
Description	A secondary uranium mineral.
Occurance	In uranium deposits.
Associates	Uranite, other secondary uranium minerals.
Notes	Type Locality: Kasolo (Shinkolobwe), Katanga (Shaba), Congo (Zaire)
Locations	A rare mineral in Scandinavia. Sweden : Lilljuthatten, Krokom, Jämtland. Ref : MinMag 46 pg 217, SGU C779 pg 21 Norway : Einerkilen pegmatite, Evje. One find of orange yellow crystal aggregate on magnetite. Finland : No localities known.