Colorado
- Chaffee County
  - Mt Antero
- Gunnison County
  - Box Canyon Mining District
    - Unknown Gemstone Occurrence (MRDS - 10016409)
- Larimer County
  - State Line Kimberlite Mining District
    - Kelsey Lake
- Park County
  - Alma Mining District
    - Mount Bross
      - Sweet Home Mine
  - Topaz Mountain Gem Mine (Matucat Road deposits)
- Saguache County
  - Bonanza Mining District (Kerber Creek Mining District; Blake Mining District)
    - Villa Grove Turquoise Mine
- Teller County
  - Cripple Creek Mining District
- Weld County
  - Stoneham
    - Sterling Mine

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