images amorphous silica gel. treated amorphous silica. amorphouspriderock06-27 04:38 PMI am very surprised about the requests for cheap photos !!! What a pity. We were ready to spend thousands of dollars just a month ago just to have the ability to apply for I485, but when you get a chance , try to save a few dollars and risk an RFE , delay in processing or even denial. Walmart photos suck , so