Edited by:
Massimo
Martini
Date: 23/11/2024
Description
It belongs to the Asbestos family. It occurs in the form of thin, elongated needles; it is a complex silicate of Calcium, Magnesium and Iron. It is of exclusively collector's importance.
Description
It belongs to the Asbestos family. It occurs in the form of thin, elongated needles; it is a complex silicate of Calcium, Magnesium and Iron. It is of exclusively collector's importance.
Where to look for it
In Valle d'Aosta, beautiful crystals are found in the area of the Miage Glacier in Courmayeur.
Class: Silicates
Colour: Green - Grey
Colour of powder: White
Hardness: 2.9 - 3.3
Specific weight: 2.2
Lustre: Vitreous - Silky