Bavsiite

bavsiite

fresnoite

walstromite

suzukiite

Images

Formula: Ba2V2O2[Si4O12]
Single chain inosilicate (chain silicate), tetragonal paramorph of orthorhombic suzukiite, barium- and vanadium- bearing mineral
Crystal System: Tetragonal
Specific gravity: 4.171 calculated
Hardness: 4
Colour: Sky-blue
Luminescence: Not fluorescent under UV
Environments

Plutonic igneous environments
Metamorphic environments

Bavsiite is a relatively new mineral, approved in 2014 and to date (January 2025) confirmed only at the type locality.

Localities

At the type locality, the Gun claim, Wilson Lake, Itsi Mountain, Watson Lake mining district, Yukon, Canada, bavsiite occurs as millimetre-sized sky-blue platy crystals in a barium-rich low-temperature skarn related to a porphyritic quartz monzonite stock. Associated minerals are alstonite, baryte, celsian, diopside, fresnoite, mica, suzukiite, walstromite, witherite and minerals of the cerchiaraite group (MM 83.6.821-827).
Bavskiite from the Gun Claim - Image

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