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Formula: Nd(PO4).H2O
Hydrated normal phosphate,
rhabdophane group
Specific gravity: 4
Hardness: 3½
Streak: White
Colour: Brown, pinkish, yellowish-white, colourless
Common impurities: La,Cd
Weakly RADIOACTIVE
Environments
Rhabdophane-(Nd) is a rare secondary mineral in
hydrothermal base-metal deposits
(HOM ).
Localities
At the type locality, the Scoville mine, Salisbury Mining District, Salisbury, Litchfield county, Connecticut, USA,
rhabdophane-(Nd) is associated with lithiophorite,
goethite and halloysite
(HOM).
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