My
periodic table poster
is now available!
Dioptas.
Sample of dioptas.
Source:
Jensan Scientifics
Contributor:
Theodore Gray
Acquired:
24 March, 2009
Text Updated:
25 March, 2009
Price:
Anonymous
Size:
2"
Composition:
Cu
6
(
Si
6
O
18
).
6
H
2
O
