tumbled anthophyllite gemstone on white

amphibole anthophyllite antofillite asbestos azbolen background black brown close collection decorative enstatite fibrous gem gemmological gemmology gemological gemology gemstone geological geology gray hornblende hornblendeasbestos jewelry little macro material mineral natural object ornamental pebble piece polished pyroxene rock sample semiprecious shooting small specimen stone surface texture textured tumbled up white