You will find that the moonstone pairs beautifully with both silver and gold jewelry settings.
Item Tag: cylinder
X1 Rainbow Fluorite Cylinder Necklace 60cm Gold Chain 3.5cm – Purple Green Blue
The crystal is roughly 2 inches, not too big, not too small, for personal use.
Bismuth Maglev, Unique Handcrafted Kinetic Science Art, Levitation Gadget
You will find that this crystal, at roughly 1.5 inch by 1/2 inch, is neither too big nor too small.