This is just a preview to illustrate the features of the rocks in glass only. The larger stone sizes according to AQL mm 2 should be considered as a Minor defect.
This is just an example to illustrate the nature of the rocks in the glass only. The AQL according to stone size larger than 2mm are considered Minor defect.
This picture is the preview show the appearance of stone in glass texture. According to AQL if stone size larger than 2mm is considered to be Minor defect.