Terra Moons Aurora is a warm duochrome with a metallic finish that is permanent and retails for $13.00. 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 85% similar — it is more shimmery, darker, warmer.