Caption
Serpentine Absestos, variety Chrysotile, (Mg3Si2O5(OH)4) from Thetford Mines, Quebec, Canada. It is a soft, fibrous silicate mineral in the serpentine group of phyllosilicates; as such, it is distinct from other asbestiform minerals in the amphibole group.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland