John Gray (157)
My dad.
Click any element tile below to get the full entry for that element, or click on the sample picture to go directly to the description of that sample.
Text and images Copyright (c) 2010 by Theodore W. Gray.
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Celestine.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
27 December, 2008
Text Updated:
28 December, 2008
Price: Trade
Size: 1.2"
Composition:
Sr
S
O
4
Celestine.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 September, 2008
Text Updated:
29 September, 2008
Price: Trade
Size: 1.2"
Composition:
Sr
S
O
4
Corundum (aluminum oxide).
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 September, 2008
Text Updated:
28 September, 2008
Price: Trade
Size: 1.6"
Composition:
Al
2
O
3
Corundum (aluminum oxide).
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 September, 2008
Text Updated:
28 September, 2008
Price: Trade
Size: 1.75"
Composition:
Al
2
O
3
Crocoite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 September, 2008
Text Updated:
1 October, 2008
Price: Trade
Size: 2.75"
Composition:
Pb
Cr
O
4
Diopside.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
14 October, 2008
Text Updated:
14 October, 2008
Price: Trade
Size: 0.75"
Composition:
Ca
Mg
Si
2
O
6
Euxenite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 September, 2008
Text Updated:
1 October, 2008
Price: Trade
Size: 0.75"
Composition: (
Y
Ca
Ce
U
Th
)(
Nb
Ta
Ti
)
2
O
6
Fergusonite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
31 October, 2009
Text Updated:
31 October, 2009
Price: Trade
Size: 0.5"
Composition:
Y
Nb
O
4
Forsterite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 September, 2008
Text Updated:
1 October, 2008
Price: Trade
Size: 0.75"
Composition:
Mg
2
Si
O
4
Gehlenite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
14 October, 2008
Text Updated:
14 October, 2008
Price: Trade
Size: 0.6"
Composition:
Ca
2
Al
(
Al
Si
)
O
7
Gehlenite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
28 January, 2009
Text Updated:
29 January, 2009
Price: Trade
Size: 0.6"
Composition:
Ca
2
Al
(
Al
Si
)
O
7
Glauberite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 October, 2008
Text Updated:
31 October, 2008
Price: Trade
Size: 1.5"
Composition:
Na
2
Ca
(
S
O
4
)
2
Grossular.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 September, 2008
Text Updated:
1 October, 2008
Price: Trade
Size: 1"
Composition:
Ca
3
Al
2
(
Si
O
4
)
3
Hematite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
10 January, 2009
Text Updated:
10 January, 2009
Price: Trade
Size: 1.2"
Composition:
Fe
2
O
3
Huebnerite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 October, 2008
Text Updated:
16 March, 2009
Price: Trade
Size: 2.5"
Composition:
Mn
W
O
4
Kyanite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 September, 2008
Text Updated:
28 September, 2008
Price: Trade
Size: 1.2"
Composition:
Al
2
Si
O
5
Magnetite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
27 December, 2008
Text Updated:
28 December, 2008
Price: Trade
Size: 2.4"
Composition:
Fe
2
O
4
Manganese oxides in quartz.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
26 October, 2008
Text Updated:
26 October, 2008
Price: Trade
Size: 2.4"
Composition:
Mn
O
2
+
Si
O
2
Monazite.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
28 January, 2009
Text Updated:
29 January, 2009
Price: Trade
Size: 0.3"
Composition: (
Ce
La
Nd
Th
)
P
O
4
Orthoclase.
Source:
Simone Citon
Contributor:
John Gray
Acquired:
30 September, 2008
Text Updated:
1 October, 2008
Price: Trade
Size: 2"
Composition:
K
Al
Si
3
O
8
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