File:Uniaxial quartz wedge4.png
From The Gemology Project
Uniaxial_quartz_wedge4.png (366 × 367 pixels, file size: 19 KB, MIME type: image/png)
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|current||13:29, 9 June 2007||366 × 367 (19 KB)||Doos||(By Doos)|