| Alexandra-0309 | 1450 | 1250 | | | | 5902 | Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA | Aldrich et al. (1956) | JGR61_215 |
| Alexandra-0394 | 570 | 570 | | Diopside, Fluorapatite, Ilmenite, Magnetite, Phlogopite, Titanite | | 3632 | Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Van Gosen (2009) | USGSOFR2009_1005 |
| Alexandra-0395 | 510 | 510 | | | | 3632 | Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Van Gosen (2009) | USGSOFR2009_1005 |
| Bradley_2012_116 | 1713 | 1709 | Zircon | | | 113764 | Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA | McCauley and Bradley (2014) | CM52_183 |
| Bradley_2012_117 | 1415 | 1411 | Zircon | | | 113764 | Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA | McCauley and Bradley (2014) | CM52_183 |
| Bradley_2012_146 | 1490 | 1350 | | | | 5902 | Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA | McCauley and Bradley (2014) | CM52_183 |
| Cr-00017 | 1020 | 980 | | Crocoite | Cr | 114064 | Seventy-Six Shaft, Willow Creek District, Gunnison Co., Colorado, USA | Gastil (1960) | AJS258_1 |
| Jen_0000010 | 1440 | 1440 | | | | 113770 | Black Wonder Occurrence, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA | Černý (1991) | PR51_429 |
| Jen_0000100 | 1390.015 | 1389.985 | | | | 158735 | Curecanti Needle Area, Gunnison Co., Colorado, USA | Anderson (1983) | GSAM161_133 |
| Jen_0000931 | 589 | 569 | | | | 3632 | Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Woolley and Kjarsgaard (2008) | GSCOF5796 |
| Jen_0000932 | 570 | 570 | | | | 3632 | Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Woolley and Kjarsgaard (2008) | GSCOF5796 |
| Jen_0000933 | 550 | 550 | Titanite | | | 3632 | Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Woolley and Kjarsgaard (2008) | GSCOF5796 |
| NAVDAT-19700 | 34 | 24 | | | | 114021 | Paradise Pass Occurrence, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-19701 | 34 | 24 | | | | 114021 | Paradise Pass Occurrence, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-19705 | 29 | 19 | | | | 114074 | Silver Spruce Mine, Elk Mountain District, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-31452 | 10 | 7.5 | | | | 113785 | Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-31453 | 10 | 7.5 | | | | 113785 | Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-31454 | 10 | 7.5 | | | | 113785 | Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| NAVDAT-36553 | 40 | 26 | | | | 159276 | Tomichi Dome, Tomichi District, Gunnison Co., Colorado, USA | NAVDAT | NAVDAT |
| ree-00659 | 570 | 570 | | | | 113911 | Iron Hill Area (Big Iron Hill; Du Pont Adit), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA | Orris and Grauch (2002) | USGSOFR02_189 |
| USGS-Rb-Sr-03999 | 1371.3 | 1291.3 | Microcline | | | 113937 | Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison Co., Colorado, USA | USGS-Rb-Sr | USGS-Rb-Sr |
| USGS-Rb-Sr-04009 | 1734.13 | 1594.13 | | | | 113764 | Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA | USGS-Rb-Sr | USGS-Rb-Sr |
| USGS-Rb-Sr-04012 | 1734.13 | 1594.13 | | | | 113764 | Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA | USGS-Rb-Sr | USGS-Rb-Sr |
| USGS-Rb-Sr-04013 | 1734.13 | 1594.13 | | | | 113764 | Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA | USGS-Rb-Sr | USGS-Rb-Sr |