ANTHOPHYLLITE from Washington State
☐Mg2Mg5Si8O22(OH)2


 
TALC pseudomorph after ANTHOPHYLLITE ? with COVELLITE
Quartz Creek Mine (Rainy Mine)
 
Light bluish-gray TALC pseudomorph after ANTHOPHYLLITE ? with PYRITE and minor QUARTZ
Quartz Creek Mine (Rainy Mine)