Difference between revisions of "Moonstone"

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{{Moonstone}}
 
{{Moonstone}}
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[[Image:Moon-adul.JPG|left|framed|Blue sheen moonstone beads]]<br clear="left" />

Revision as of 09:12, 11 December 2006

Moonstone
Chemical composition K-feldspar
Crystal system Monoclinic
Habit Prismatic
Cleavage Distinct to perfect
Fracture Conchoidal
Hardness 6
Optic nature Biaxial -
Refractive index ± 1.52
Specific gravity 2.56
Lustre Vitreous
Blue sheen moonstone beads