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USA | |
- Central Florida Phosphate Mining District (Bone Valley)
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Denicourt, R., Micromounters of New England program, NE meeting program, May 1984 |
| Owens, J.P., Z.S. Altschuler, and R. Berman (1960) Millisite in phosphorite from Homeland, Florida. American Mineralogist: 45: 547-561 |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Land Pebble Phosphate Mining District
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [Carbonate-rich Apatite var. Collophane] E. William Heinrich |
Bonny Lake Mine, Land Pebble Phosphate Mining District, Polk County, Florida, USA