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Manganogrunerite - Razoare, Maramureș Co., Romania (#:MINS9214)

Specimen with fibrous Manganogrunerite xls richly set on matrix. A very rare magnesium-iron-manganese Amphibole.

Formula :
☐{Mn22+}{(Fe2+5)(Si8O22)(OH)2
System: monoclinic Hardness:5-6 Rarity:not common
Strunz id:VIII/F.7-30 - SILICATES
Name origin: Formerly named dannemorite (1855) which was named after its locality. Renamed as manganogrunerite for its relationship to grunerite-

Specimen weight:48 gr.
Crystal size:up to 4 mm long
Overall size: 45mm x 42 mm x 30 mm

Our Price:€ 35,00







Related Products :
Romania 2-(MI) - Miniature (Max 5.0 cm)
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Manganogrunerite - Razoare, Maramureș Co., Romania

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