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Quadridavyne

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HCH502328

Quadridavyne

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1.5 cm
Largest Crystal: 
0.50cm
Description

Small white prismatic crystals of Quadridavyne up to 0.5 mm large are sitting in parageneses of Garnet and Gehlenite on a Xenolithe.

Mineral Data
What's on the rock

Quadridavyne

Formula: 
(Na,K)6Ca2(Al6Si6O24)Cl4
Strunz: 
9.FB.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Ottaviano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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