Byssolite

Byssolite


Markovice, Čáslav, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: MIN5603
Price: 110.00 EUR 

Synonyms:  Actinolite-asbestos, Amiantus
Variety of:  Actinolite
Classification:  Not recognised by IMA
Chemical formula:  Ca2(Mg,Fe2+)5Si8O22(OH)2
Crystal system:  Monoclinic
Density (g/cm3):  2,9 - 3,2
Tenacity:  Flexible
Cleavage:  Fair
Fracture:  Brashly
Hardness (Mohs):  5,5 - 6
Colour:  Dark-green, blue-green, white
Lustre:  Vitrious, silky
Streak:  White