Possible Clues:

• Eye-pleasing quality
• In France water temperature gets by without having a particular quality
• Word before 'sleep' or 'supply'
• Model's asset
• A thing of what, according to Keats, is a joy forever?
• It ''provoketh thieves sooner than gold,'' per the Bard
• 'The ___ of a living thing is not the atoms that go into it, but the way those atoms are put together': Carl Sagan
• Subject of many articles in Allure and Seventeen
• Cracker from a tube, possibly today's last
• Loveliness in Mirabeau type