watercolor natural gemstones collection agat, jasper, amethyst. hand drawn on white background

red watercolor jasper agate stone isolated illustration rose geometric luxury jewelry magic set natural romantic decor geology mineral gemstone aquarelle jewel stones gem quartz amethyst crystal blue white ornament therapy element ultramarine isolate violet glow mystical crystals gemstones gems realistic moonstone obsidian collection carnelian symbol boho gloss agat purple