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Formula: Sr3(Ti,Fe3+)(Si2O6)2(O,OH).2H2O
Inosilicate (chain silicate)
Crystal System: Monoclinic
Specific gravity: 3.38 measured, 3.394 calculated
Hardness: 3½
Streak: White
Colour: Light pink
Environments:
Ohmilite has been reported only from the type locality, Ōmi, Itoigawa City, Niigata, Japan, where it occurs in
riebeckite-albite units in
serpentinite (Webmin, Dana), associated with
magnesio-riebeckite, quartz,
albite, phlogopite,
benitoite, bario-orthojoaquinite and
leucosphenite (HOM).
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