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Mosandrite.

Оглавление

In composition identical with Johnstrupite (q.v.).

Isomeric with Johnstrupite (q.v.).

G = 2·93-3·03. H = 4. Reddish brown; translucent.

Langesund Fiord, Norway.

The Rare Earths: Their Occurrence, Chemistry, and Technology

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