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Nepheline

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JYJ94869

Nepheline

Description Tabs

Description
Locality: 
Michelsberg Quarry, Katzenbuckel, Eberbach, Karlsruhe Region, Baden-Württemberg, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 2 × 3.5 cm
Description

Single nepheline crystals in matrix. Locality is a quarry in sodic shonkinite, which was abandoned in 1974. Nowadays the lower levels of the quarry are flooded.

Mineral Data
What's on the rock

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy