violet fluorite, macro detail, texture background. semi-precious gemstone

design structure decorative cubic science precious stony material gemstones calcium gem nature geology texture geological gemstone fluorite mineral surface semiprecious closeup background crystal rock specimen stonecube mine cluster crystalline mineralogy fluoride matrix aggregate fluorine gemmy violet sample stone purple macro detail semi-precious soil leaf grave tree plant flower headstone asphalt boulder trunk iron wall wood wildlife stonewall autumn background gemstone collection