Category: Dry Sperm Islam
Dry Sperm Islam ~ The semen of both male and female is impure. However, there are two methods to purify it. If the sperm is thick and dry then it shall turn pure by scratching. But if it is wet or thin then it is necessary to wash it. The hadith which you have quoted speaks about scratching dry sperm to get purity.
The color of dried sperm is white. It looking like a hard white stain. A dry Sperm stain on dark-colored material will look like a hard white stain. A dry Sperm stain on the white material can appear really obvious and sometimes almost invisible.