Houseki Mahou
Monday, February 27, 2006
set 4-18 amethyst
set 4-18 amethyst
Originally uploaded by
mitsuki-chan
.
Mohs' hardness of 7. SiO2 with [FeO4]4- giving it its rich
purple
color. Hexagonal in crystal structure.
posted by Unknown at
4:31 PM
0 Comments:
Post a Comment
<< Home
About Me
Name:
Unknown
View my complete profile
Previous Posts
set 4-17 citrine
set 4-16 citrine quartz
set 4-15 orthoclase
set 4-14 peridot
set 4-13 aquamarine
set 4-12 beryl
set 4-11 garnet
set 4-9 topaz
set 4-10 garnet
set 4-8 zircon
0 Comments:
Post a Comment
<< Home