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Katoite

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ZLT919890

Katoite

Description Tabs

Description
Locality: 
Caspar Quarry, Bellerberg, Ettringen, Eifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.6 × 1.1 cm
Description

Cluster of colorless,very small katoite octahedrons, some as spinell twins, in a vug of a fraction of a Ca-rich xenolith. (FOV 0.85 mm.)

Mineral Data
What's on the rock

Katoite

Formula: 
Ca3Al2(SiO4)3-x(OH)4x
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Campomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Latium, Italy

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