close-up view of a gypsum mineral sample exhibiting crystalline structures and textures, embedded in soil surrounded by fresh

environmentalscience naturalresources geologicalsample sedimentaryrock rockformations gypsumcrystals naturalmineral environmental earthminerals earthscience crystalline sedimentary transparent ecofriendly exploration environment naturestudy exhibiting structures surrounded geological collection mineralogy fieldwork geologist textures embedded gemstone specimen selenite closeup mineral natural setting crystal geology foliage texture outdoor calcium sulfate terrain gypsum sample plants earthy nature fresh green macro white field study view soil rock raw gem