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Mangani-obertiite
Type Locality
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany
Mineral Data
Na(Na
2
)(Mg
3
Mn
3+
Ti)(Si
8
O
22
)O
2
Strunz:
9.DE.25
Physical Properties
Colour:
Pale pink
Streak:
Colorless
Hardness:
5.0 - 0.0
Tenacity:
brittle
