Backflow incense burner - Ocean Blue they look like a molding

they look like a molding or impression of another crystal that was growing next to it/within it

others may bear green or blue bits

A key in a Quartz crystal is caused when two crystals grew closely to one another

For most of us

Variety of small Christmas tree carvings

Backflow incense burner - Ocean Blue they look like a moldingTo Use: Place the lighted backflow incense cone on the censer hole. Smoke falls like a waterfall, the scene like flowing water, beautiful and moving. Create a mesmerizing and relaxing effect. Handmade Waterfall incense burner is made of ceramic material, of high beauty and elegance. Handmade, unique and easy to use. SIZE: 4in x 8in