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Ilvaite

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MGR1043057

Ilvaite

Classic Locality

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.4 × 8.7 × 7 cm
Description

Ilvaite is remarkable size and quality. The completely free-standing main crystal is 40 mm tall, sharp terminated and shows excellent luster. All the smaller crystals on matrix are at same high quality - the whole piece is sparkling! I had a lot of Russian minerals, but rarely saw Ilvaite in this dimension in union with this quality. Should be high ranked for locality and qualiy!

Mineral Data
What's on the rock

Ilvaite

Formula: 
CaFe2+2Fe3+(Si2O7)O(OH)
Strunz: 
9.BE.07
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Torre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy