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Published on May 18, 2012
I show you how to build a screen box for screening rocks and gemstones. I have used a screen box like this to sluice for amethyst and other quartz rocks from creeks in North Carolina, Herkimer diamonds and garnets in New York, etc. This screen box is pretty easy to make and will last a long time. I used 1/2" mesh for this screen box, but a box with 1/4" mesh would also be a good one to make (I already made previously).
Parts lists: 8′ x 5.5″ x 1″ pine board (without any major knots and that isn't too warped) 8 x 2″ exterior screws (or 16 screws to make a second screen box) 24 x 1 1/4" Lath Screws 1 roll of 1/4" or 1/2" screen/hardware cloth. .
To use the screen box, just shovel the dirt into the screen box, and then shake the screen box to allow the dirt and small stuff fall through the screen. You can do this dry, or with the screen in water. Then sort through the rocks that are left to see if you have found any gemstones.