Up next on our journey exploring gemstones across the US we’ve got Colorado. Not only does Colorado have a state gemstone but it also has a state mineral we haven’t covered yet – rhodochrosite. Pull up a chair as we look into into this double-gemmy episode.


00:00:00 Notes
00:29:00 Colorado
01:10:00 The Charlemagne connection
03:52:00 Ranking in most hated states
05:30:00 Aquamarine
05:47:00 1880’s
08:20:00 The discovery at Mt. Antero
09:30:00 About Mt. Antero
09:55:00 High altitude gemstones
12:07:00 Mining story
14:34:00 Commercial mining
16:07:00 Largest aquamarine crystal to be found in CO
18:43:00 Renewed interest in mining
19:46:00 Get a claim
20:41:00 Rhodochrosite
22:13:00 Single-crystal versus an aggregate specimen
23:23:00 Sweet Home Mine
25:52:00 The 1960’s
26:11:50 The Alma Queen
27:03:00 1991
27:26:00 Alma King discovery
27:44:00 The Crystal Wall
29:07:00 Smithsonian
30:13:00 Off-limits
31:31:00 Other gemstones found in Colorado