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Oxo-magnesio-hastingsite

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ZLT750454

Oxo-magnesio-hastingsite

Description Tabs

Description
Locality: 
Radersberg, Bruck-Dreis, Daun, Eifel, Rhineland-Palatinate, Germany
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.2 × 1.8 cm
Largest Crystal: 
4.00cm
Description

Large crystal of oxo-magnesio-hasingsite with a cleavage-face.

Crystals are always etched ( by agressive gases), the cleavage shows that the are not molten.

Mineral Data
What's on the rock

Oxo-magnesio-hastingsite

Formula: 
NaCa2(Mg2Fe3+3 )(Al2Si6)O22O2
Hardness: 
6.0 - 0.0
Colour: 
Brown
Streak: 
White
Type Locality: 
Deeti volcanic cone, Gregory Rift, Rift Valley Province, Kenya

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