Brewsterite-Sr
Åmot, Sjoa, Sel, Innlandet, Norway
A 3 x 3,5 cm specimen of small clear crystals of brewsterite-Sr and probably brewsterite-Ba (zoned crystals).
Photo & collection: A. Michalsen
[Analyzed samples has showed that the crystals are stronlgy zonated with brewsterite-Ba in the rims and strontian brewsterite-Ba between the rim and the core, and with a core of brewsterite-Sr ]
© Atle Michalsen