10 March, 2004 (1)

10 March, 2004

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Text and images Copyright (c) 2010 by Theodore W. Gray.
Radium
Radium Spinthariscope
3D
Spinthariscope.
Source: eBay seller dahl1az
Contributor: Theodore Gray
Acquired: 10 March, 2004
Text Updated: 9 May, 2007
Price: $81
Size: 0.6"
Purity: <0.1%
Sample Group: Spinthariscopes