These swirled stones get their look from mixing paint in soft tones with marbling medium (a specialty product that takes the mess out of this technique).
Source: Martha Stewart Living, December 2017
These ornaments decorated our Crystal-Inspired Christmas Tree.
Glass ball ornaments (Pictured from left: Darice clear glass disc, 8 cm, $7.50 for 6; clear glass ball, 100 mm, $7.50 for 2; and iridescent glass ball, 35 mm, $8 for 20, amazon.com)
Craft paint (Pictured: Martha Stewart Multi-Surface Satin Acrylic Craft Paint, in Slate Grey, Wild Blueberry, Rose Pink, and Poodle Skirt, $2.50 for 2 oz., michaels.com)
Marbling medium (Pictured: Martha Stewart Multi-surface Marbling Medium, $13, michaels.com)
Glitter (Pictured: Creatology Glitter Pack, in Neon, $4, michaels.com) (optional)
White glue (optional)
Remove metal cap from the top of ornament.
Add a teaspoon each of two paint colors mixed with marbling medium, swirl, and dry.
Optional: For the flashy one pictured top right, brush glue on the bottom and roll in glitter.