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Formula: MnMn3MnSi5O15
Inosilicate (chain silicate), rhodonite group,
paramorph of pyroxmangite,
manganese-bearing mineral
Crystal System: Triclinic
Specific gravity: 3.68 measured, 3.737 calculated for the empirical formula
Streak: White
Colour: Pink to light pink
Environments
Sedimentary environments
Metamorphic environments
Hydrothermal environments
Vittinkiite is a relatively new mineral, approved in 2019
Localities
The type locality is the Vittinki Fe Mines, Ylistaro, Seinäjoki, South Ostrobothnia, Finland. Besides Vittinki,
vitiinkiite has been found in more than a dozen rhodonite deposits
worldwide, however, it is significantly less common than rhodonite. It
typically forms pink to light pink massive, granular aggregates and is associated with
quartz, rhodonite,
tephroite, pyroxmangite and
manganese oxides
(MM 84.6.869-880).
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