Serpentine

Easily carved magnesium hydroxysilicates like chrysotile, antigorite and lizardite become Serpentine when they are formed together in mixed patterns resembling snakeskin.

• Period: O
  • Copper Hydroxyls
  • Hardness: 2.5-5
• Group: Group IIA?

See also Matter, Gems, Be and Copper Hydroxyls.

— Scotus - 30 Dec 2001