Dharmapuri district is endowed with sizeable reserves of granite. High quality black granite is available in Pennagaram, Harur and Palacode blocks. Quartz is available at Kendiganapalli Village of Pennagaram Taluk, A.Velampatti of Harur taluk and Pethathampatti of Pappireddipatti Taluk. Another High value mineral available here is Molybdenum, which is identified as a good conductor. It is available in Harur.