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Åkermanite & Monticellite & Magnesioferrite

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SHS755871

Åkermanite & Monticellite & Magnesioferrite

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1 cm
Description

Akermanite with monticellite and magnesioferrite, thaumasite and gehlenite 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

Monticellite

Formula: 
CaMgSiO4
Strunz: 
9.AC.10
Crystal System: 
Orthorhombic
Hardness: 
5.5
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Magnesioferrite

Formula: 
MgFe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Dark red
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy