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Åkermanite

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SHS631889

Åkermanite

Description Tabs

Description
Locality: 
Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.2 × 1.2 cm
Description

Nice akermanite crystals on matrix

Mineral Data
What's on the rock

Åkermanite

Formula: 
Ca2Mg(Si2O7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Streak: 
white