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Villiaumite, Natrolite- Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
(#:MINS8125)
Nice sample with Natrolite in whitish radiating crystals partially embedded in the dark reddish blocky Villiaumite. Old rare specimen.
Formula :
NaF
System:
cubic
Hardness:
2-2½
Rarity:
rare
Strunz id:III/A.2-10 - HALOGENIDES
Name origin:
Named after Maxime Villiaume, French explorer and officer in the colonial artillery corps stationed in northern Madagascar, for his help in the acquisition of mineral and rock collections from Madagascar and Guinea. The species was first found in his collection.
Specimen weight:63 gr.
Crystal size:Up to 1,5 cm wide
Overall size: 38mm x 35 mm x 32 mm
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