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Katoite

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Katoite

Rare Mineral

Description Tabs

Description
Locality: 
Zeilberg Quarry, Maroldsweisach, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.5 × 0.7 cm
Description

White crystals of the very rare hydroxide mineral katoite from Germany

Ex Vandenbroucke Museum collection from Waregem, Belgium.

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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