beautiful colored silicon carbide mineral crystals with reflection on a black background

silicon carbide carborundum synthetic crystal moissanite mineral stone black background closeup rare semiconductor iridescent rock precious gem carbon chemical compound raw gemstone semiprecious jewel jewelry mineralogy geology collection hobby specimen still life structure design beautiful reflection artistic crystalline rough uneven surface wrinkled abrasive technology industry diamond simulant imitation machining purple yellow green rainbow colored colorful shiny macro 16x9 jewellery artificial natural hard science collecting collectable piece single look sandpaper material orange pink blue detail crystals use