Back to: Nature online

Earth lab datasite

Mica
Silicate muscovite
hydrous potassium aluminosilicate
K Al2 (Al Si3 O10) (Oh F)2
Scale bar = 1 centimetre
cleavage: Perfect basal
crystal system: Monoclinic
hardness 2.5 - 3.0
relative density 2.8 - 2.9
Strontian
24 D 7