gemstone margin

amazonite and aventurine azurite background black bloodstone bright brown calcite chalcedony citrine close collection color crystal feldspar gem gemstone gemstones geology glittering heliotrop igneous isolated jadeite jewelry macro margin mineral moonstone mottled natural nature object others pattern pebble piece pink point precious purple quartz red rich rock rose rough sample semi semiprecious set shiny silica specimen spotted stone translucent white