File:Biaxial quartz wedge1.png
From The Gemology Project
Biaxial_quartz_wedge1.png (361 × 357 pixels, file size: 90 KB, MIME type: image/png)
Click on a date/time to view the file as it appeared at that time.
|current||05:15, 10 June 2007||361 × 357 (90 KB)||Doos||(By Doos)|