rhodonite mineral pattern

abstract agate art background beautiful black blotches bright burnished closeup collection color decoration decorative design example fantastic fibrous fine for gem gemstone geological geology glitter gloss isolated jade jewel jewelry jewels macro magenta manganese marble marbled material mineral mineralogical mineralogy natural nature nugget ornamental pattern piece pink polish polished precious purple pyroxen rare raw red rhodonite rock semiprecious shine silica silicate smooth solid specimen stone streak strip striped structure surface tracery treasure vein verge violet white your