striped oval gem cabochon - 3d

semiprecious stone mineral gem stone jewel precious stone stone geodes finishing slice floor background texture pattern jasper opal onyx chalcedony quartz quartzose quartzous silica agate onyx arabic sardonyx marble calcite fibrous stringy filamentary fibroid fibrillar fibred band strip stripe streak lane bar striped tabby striated stripy streaky brindle aragonite carnelian red white orange 3d