" He flipped through the book as he ambled toward her. "Good God. There are whole pages of description. The roguish wave of my hair. My chiseled profile. I have eyes like... like diamonds?"
"Not real diamonds. Bristol diamonds."
"What are Bristol diamonds?"
"They're a kind of rock formation. On the outside, they look like ordinary pebbles. Round, brownish gray. But when you crack them open, inside they're filled with crystals in a hundred different shades. "

― Tessa Dare , A Week to Be Wicked (Spindle Cove, #2)