ColourPop Fractal is a warm duochrome with a pearl finish that is permanent in palette and retails for $4.50. In comparison, Natasha Denona Abalone (246DC) is a warm lavender with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Abalone (246DC) is 90% similar — it is more shimmery, lighter.