In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[EX Q]: Bloodstone, agate, and onyx are chalcedonic varieties of this mineral. Other color variations arise from substituting atoms for silicon; iron for citrine and amethysts, titanium for the rose variety. When cemented it makes sandstone and when fused, silica glass. For ten points, identify this mineral composed of crystalline silicon dioxide.
[EX A]: Science

[EX Q]: This man used his experiences in Spain to write Tales of the Alhambra and wrote under the pen name "Jonathan Oldstyle." This man's History of New York was written under the pen name of Diedich Knickerbocker. In another of his works, the main character romances Katrina Van Tassel. That character of this author is driven from the title town by (*) Brom Bones, who dresses as the Headless Horseman to terrify Ichabod Crane. For 10 points, name this American author of "Rip van Winkle" and "The Legend of Sleepy Hollow."
[EX A]: Literature

[EX Q]: One of his works, entitled Learning to Live Finally, is set to be posthumously released in 2007, and his earliest work included an introduction to Husserls The Origin of Geometry. His first political tract famously lists ten plagues of the global capitalist system, and another of his works is written in two columns, one devoted to Hegel and the other to Genet. In addition to Spectre of Marx and Glas, he is most famous for a form of textual criticism which relies on analyzing the frameworks and assumptions behind a work in order to view it in a new light. FTP, name this French philosopher and author of Writing and Difference and Of Grammatology, the founder of deconstruction.
[EX A]:
Social Science