Have you done the hot pin test to see if it is resin ?? It looks like it is !! It does not look like alabaster to me but this old computer does not show color correctly !! Alabaster is a stone and you should be able to tell by the feel !! Cold, hard and smooth !! If resin you can hold a sewing needle or pin with pliers and heat the end red hot then press into the bottom where it doesn`t show and see if the pin goes in and it melts slightly !! Will also have a smell similar to melted plastic,, a kind of chemical smell !!