Chrysotile

Mineral Mg3Si2O5(OH)4

Also called White asbestos, Asbestos, and Clinochrysotile

Take care.

About it

Silky, flexible fibres in veins through serpentinite that pull apart like cotton; white asbestos, once mined at Thetford Mines and Val-des-Sources (formerly Asbestos), Quebec. Keep sealed and never break or sand it.

Type
Mineral
Group
Silicate (phyllosilicate), serpentine group
Formula
Mg3Si2O5(OH)4
Hardness (Mohs)
2.5–3
Specific gravity
2.5–2.6
Streak
white
Lustre
silky
Crystal system
Monoclinic
Colours
white, grey-green, golden, olive green
Transparency
transparent, translucent, opaque
Cleavage and fracture
fibrous; separates into flexible fibres

Typical values: real specimens vary. For more, see mindat.org.