Fluorcalciomicrolite
Urucum claim, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Meanwhile analysed there is no tin at all in that Microlite group member. With content of Ca and Na only it is Fluorcalciomicrolite. Collection and photo Stephan Wolfsried
© Stephan Wolfsried 1/2017