Laverovite

laverovite

zircophyllite

kupletskite

astrophyllite

Images

Formula: K2NaMn7Zr2(Si4O12)2O2(OH)4F
Inosilicate (chain silicate), kupletskite group, manganese- and zirconium- bearing mineral
Specific gravity: 3.367 calculated
Hardness: 3
Streak: Light brown
Colour: Pale brown to dark brown
Luminescence: No fluorescence in UV
Environments

Pegmatites
Hydrothermal environments

Laverovite is a relatively new mineral, approved in 2018 and to date (July 2022) reported only from the type locality

Localities

At the type locality, the Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Quebec, Canada, laverovite occurs in a nepheline syenite pegmatite. Associated minerals are zircophyllite, kupletskite, astrophyllite, aegirine, analcime, orthoclase and albite. The laverovite formed as a late-stage hydrothermal mineral (CM 57.201-213)

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