Clionadh Seer is a cool duochrome with a metallic finish that is permanent and retails for $12.50. In comparison, Natasha Denona Snow Cone (362M) is a cool silver with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Snow Cone (362M) is 80% similar — it is less shimmery, darker, more muted, cooler.