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Wadalite

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JYJ627895

Wadalite

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Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.5 × 0.5 cm
Description

Yellow wadalite crystals on matrix. 

 

Beautiful!

 

References:
 

T. Mihajlović, C. L. Lengauer, T. Ntaflos, U. Kolitsch and E. Tillmanns (2004): Two new minerals rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, K(ٱ,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, Ca12[(Al8Si4Fe2)O32]Cl6, from the Bellerberg (Bellberg) volcano, Eifel, Germany. N. Jahrb. Mineral. Abh. 179, 265-294.
Mineral Data
What's on the rock

Wadalite

Formula: 
(Ca,Mg)6(Al,Fe3+)4((Si,Al)O4)3O4Cl3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
0.0
Type Locality: 
Koriyama, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan