This beautiful desk set includes the planets in relative size (Jupiter is the largest, Pluto the smallest) and uses polished gemstones to represent the planets.
The planets are represented by:
Venus: White Quartz
Mars: Mahogany Obsidian
Jupiter: Tiger's Eye
Saturn: Yellow Calcite
Neptune: Blue cat's Eye
Pluto: Poppy Jasper
Disclosure: If you're worried about your health always see your doctor first. There are no guarantees with crystals, but they may enhance your life.