Question: Is a diamond the most likely mineral to appear on the cover of a Danielle Steel novel?, Answer:Yes, Description of Diamond: Allotrope of carbon often used as a gemstone and an abrasive, Fact1: Danielle Steel is a romance author., Fact2: Romance novel frequently feature engagements., Fact3: Diamond rings are a symbol of engagement.
Step1: What genre of novels does Danielle Steel write?, Step2: What plot events usually feature in #1?, Step3: What kind of plot events would involve diamonds?, Step4: Do any of #3 overlap with #2?, Wikipedia page for step 1: Danielle Steel (author), Wikipedia page for step 2: Romance (genre), Wikipedia page for step 3: Diamonds, engagement, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False