synthetic silicon carbide with iridescent crystals of rough surface on white background

abrasive appearance artificial background black blue carbide carbon carborundum chemical closeup collectable collecting compound crystal design detail diamond gem gemstone geology hard hardness imitation industry iridescent isolated item jewel jewellery jewelry look machining macro material meteorite mineral mineralogy moissanite natural nature nobody nopeople object orange pattern piece precious production purple quality rare raw rock rough sample sandpaper science semiconductor semiprecious shiny silicon simulant single specimen stone surface synthetic tech technology uneven white wrinkled yellow