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Nepheline & Oxyphlogopite

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ZLT163173

Nepheline & Oxyphlogopite

Description Tabs

Description
Locality: 
Nickenich, Andernach, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2 × 2.7 cm
Description

Basaltic rock sample with exceptional fresh long prismatic crystals of nepheline and oxyphlogopte.

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

Oxyphlogopite

Formula: 
K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2
Strunz: 
9.EC.20
Hardness: 
3.0 - 0.0
Streak: 
Brown
Type Locality: 
Rothenberg, Bell, Mendig, Eifel, Rhineland-Palatinate, Germany

Seller Information

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