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Columbite

14

Availability: In stock

Dimension: 47 × 69 × 102 mm

Small grains of rare earth oxide. Approximately 2 mm large grains of columbite.

Weight 411 g
Dimensions 47 × 69 × 102 mm
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    Arsenic, proustite Odstranit
    Arsenic, proustite 
    1 X 103 = 103
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