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3D3DQuartz.
Description from the source:
Quartz (SiO2 trig.), San Luis Potosi`, Mexico. Perfect biterminated crystal. 3,5x2,5x2,1 cm; 15 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 26 September, 2008
Text Updated: 28 September, 2008
Price: Trade
Size: 1.4"
Composition: SiO2
Silicon