Apache Sunset Rock Gravel Southern California quarry producing a wide range of materials from DG fines to very large boulders. Materials are shipped bulked throughout Southern and Central California and on pallets anywhere requested. Apache Sunset Rock, also known as Honey Quartz, is a very hard rock material that is a semi translucent grey colored rock covered in full or in patches with a mineral patina that varies from burnt yellow, orange, red and purple tones.