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Nepheline - Le Capannelle, Rome, Metropolitan City of Rome Capital, Lazio, Italy (#:MINS8536)

Old classic !Specimen featuring several hexagonal prisms of Nepheline, pretty lustruous up to 6 mm wide with Melilite in associationn on matrix. Ex Francesco Bedognè coll, - ex. A. Citran coll. with labels.

Formula :
KNa3[AlSiO4]4

System: hexagonal Hardness:5½-6 Rarity:not common
Strunz id:VIII/J.2-10 - SILICATES
Name origin: From the Greek "nephele" for "cloud" since it turns cloudy when treated with strong acid.

Specimen weight:159 gr.
Crystal size:Up to mm wide
Overall size: 72mm x 58 mm x 36 mm

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Nepheline - Le Capannelle, Rome, Metropolitan City of Rome Capital, Lazio, Italy

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