| 2023-04-16 | Rare finds in Minecraft |
| 2020-01-06 | MAY |
| 2019-07-17 | May birthstones |
| 2019-01-13 | Some sights in Oz |
| 2017-07-27 | Things mined in Cleopatra's Mines |
| 2017-04-07 | Green valuables |
| 2015-06-29 | Green gems |
| 2012-12-17 | Green gems |
| 2011-01-18 | May birthstones |
| 2010-09-02 | Green rocks |
| 2004-06-15 | Green gems |
| 2001-11-04 | Colombia is their largest producer |
| 2001-05-21 | Stones in crowns |
| 2000-02-16 | Beryl varieties |
| 1999-08-26 | First act of the ballet "Jewels," by George |
| 1998-11-06 | Some hummingbirds |
| 1996-11-03 | Bright green hummingbirds |
| 1995-07-18 | May birthstones |
| 1995-06-05 | May birthstones |