Ever wonder what the jeweler is looking for with that loupe? Here you go: And that brings us to this 2014 post on how emeralds
Category: Ooh . . . Shiny!
Guest Video: The Rarest Gemstones and Minerals
Not shown: A ruby. That’s a diamond in the National Gem Collection. We looked at birthstones last week, but there are even pricier minerals and
Guest Video: Birthstones
We’ve all seen the basic list of birthstones, but what are they really and what do they mean? This video tries to answer both those
Repost: Where Does Platinum Come From?
That’s what platinum looks like under an ion microscope. Each of those bright spots is an atom. Now, how’s this for a science fiction premise:
Repost: In Search of the Blue Carbuncle
This Sherlock Holmes tale is an ideal Christmas story – Victorian London, a brisk walk on a snowy night, jewels, suspense, and the surprise twist:
Repost: Guest Videos on Chocolate and Geodes
OK, so chocolate and sugar aren’t technically minerals…they’ve still powered a lot of geologists on field trips. In nature, you don’t know what’s in a
