Keeping this in view, where did all my desktop icons go Mac?
If all of your icons have disappeared on your Mac chances are you simply moved to another desktop or workspace. Click on "Mission Control" or search if your dock is missing as well, here you should be able to see the desktop with the icons.
Subsequently, question is, where is the Mac resources folder? The Library folder is hidden by default on macOS. It can still be accessed using "Go to folder" (Cmd+Shift+G). You can also unhide it by enabling "Show Library folder" in the Finder's View menu > Show View Options.
Secondly, where are my icons stored?
Under the “customize” tab, go to the “Folder icon” section, click on “Change icon” button. Step 3. Select one of the many icons shown in the list and click “OK”. These icons are located in the C:Windowssystem32SHELL32.
Why are my desktop icons not showing up Mac?
Finder SettingsThe Finder preferences control the type of desktop icons that appear. If you find only some icons missing from the desktop, adjust the settings to correct the issue. Click on a blank area of the desktop, select the "Finder" menu and choose "Preferences" from the drop-down menu.