serpentine gemstone - polished emerald green mineral on pristine white background

serpentine gemstone mineral polished green stone crystal smooth natural texture shiny vibrant earth organic mineralogy geology rich hue lustrous gem serenity isolated single solid elegance collectible healing metaphysical ornamental aesthetic unique nature mineralistic luxurious precious semiprecious polishedstone isolatedobject whitebackground macro detail clarity decor treasure pristine vivid earthiness exotic chalcedony nephrite