Whitlockite, Hydroxylapatite
Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
Whitlockite rhombohedrons with Hydroxylapatite sprays. This material was previously regarded as bobdownsite, but recent investigations caused the discreditation of bobdownsite. See: https://www.mindat.org/mesg-14-443175.html. Sony Nex 7, bellows, Mitutoyo M Plan Apo 5x, aperture, Raynox DCR-250 retro, THK linear actor, stack shot control. ...
© Stephan Wolfsried 11/2015