Hilairite, Calcite
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Sony Nex7, bellows, Mitutoyo M Plan Apo 10x, aperture, Raynox DCR-250 retro, THK linear actor, stack shot control;
The orange to brown crystals are probably Nenadkevichite. Not analyzed.
Collection and photo Stephan Wolfsried
© Stephan Wolfsried 3/2015