Monday, February 27, 2006

set 5-2 tourmaline


set 5-2 tourmaline
Originally uploaded by mitsuki-chan.
Tourmaline's chemical structure is (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH)4. It comes in a wide range of colors.

0 Comments:

Post a Comment

<< Home