Category:Quartz veins in sandstone
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This category has the following 2 subcategories, out of 2 total.
Media in category "Quartz veins in sandstone"
The following 4 files are in this category, out of 4 total.
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Quartz vein in sandstone (Coleman Quartz Mine, Arkansas, USA) 5.jpg 1,807 × 2,302; 3.02 MB
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Quartz vein in sandstone (Coleman Quartz Mine, Arkansas, USA) 6.jpg 3,315 × 2,294; 5.39 MB