Quartz from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| http://rruff.geo.arizona.edu/doclib/hom/micheelsenite.pdf.; Marc V. Hurst (2012) Central Florida Phosphate District. Southeastern Geological Society Field Trip Guidebook No. 57 |
Owens, J.P., Z.S. Altschuler, and R. Berman (1960) Millisite in phosphorite from Homeland, Florida. American Mineralogist: 45: 547-561; Altschuler, Z. S., Jaffe, E. B., and Cuttitta, Frank, (1956), The aluminum phosphate zone of the Bone Valley formation, Florida, and its uranium deposits: U.S. Geol. Survey Prof. Paper 300, p. 495-504. |