Terra Moons Martian is a warm duochrome with a metallic finish that is permanent and retails for $8.50. In comparison, Natasha Denona Alloy (312DC) is a warm copper with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Alloy (312DC) is 85% similar — it is more shimmery, lighter, brighter, warmer.