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My
periodic table poster
is now available!
Turquoise.
Sample of turquoise.
Source:
Jensan Scientifics
Contributor:
Theodore Gray
Acquired:
24 March, 2009
Text Updated:
25 March, 2009
Price:
Anonymous
Size:
2"
Composition:
Cu
(
Al
,
Fe
)
6
[(
O
H
)
4
(
P
O
4
)
2
]
2
.
4
H
2
O
