Programming with Quartz: 2D and PDF Graphics in Mac OS X (The Morgan Kaufmann Series in Computer Graphics): Gelphman, David, Laden, Bunny, Schneider, Philip: 9780123694737: Amazon.com: Books
Clear Quartz Crackle Point – Sedona Crystal Vortex
5 Piece Quartz Bracelet and Pendant Package
Anti-doping in trail and ultrarunning: is the Quartz program enough? - Canadian Running Magazine