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Ixiolite & Sapphire

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ZLT957589

Ixiolite & Sapphire

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1 × 1.2 cm
Description

Tabular prismaitic crystal of ixiolite ( Nb-dominant, analysed) on blue-grey sapphire in a vug of a sanidinite.FOV 1.0 mm.

Mineral Data
What's on the rock

Ixiolite

Formula: 
(Ta,Nb,Sn,Fe,Mn)4O8
Strunz: 
4.DB.25
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5
Type Locality: 
Skogsböle (Skogböle), Kemiö Island (Kimito Island), Southwestern Finland Region, Finland

Sapphire

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Hardness: 
0.0

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