1. Butler Earl & Associates 1005 Greg St, Sparks, NV 89431 Coordinate: 39.52171,-119.75487 Phone: (775) 353-1840
2. Reno Gem and Mineral Society 480 S Rock Blvd, Sparks, NV 89431 Coordinate: 39.52997,-119.76587 Phone: (775) 356-8820