desert rose gypsum mineral specimen on white background.

mineral gypsum desert rose specimen white background geological formations petal unique rock crystal natural texture brown earth stone display structure geology sand isolated fossil organic sedimentary desertrose mineralogy arid desertplant gem aridlandscape physical study exploration quartz calcite collection earthscience desertflora organicshapes aridregion naturalbeauty mineralformation naturestudy educational ornamental mineralcollector photo