This post, based on something I wrote for Helium back in 2011, was first blogged here in 2013. However, it’s a natural tie-in to yesterday’s
Aquamarine is a beryllium mineral like bertrandite or beryl, but its chemical formula is slightly different. Who would suspect that the addition of a little
Turquoise made headlines recently when researchers discovered that Mesoamericans had more than one source for this gem that they valued highly. Not all of it
It’s great to go for a hike with someone who knows what they’re looking at. Wait. Gold? You’re ending the video right after mentioning gold?
Here is more information on carnelian, which is very close to chalcedony. Featured image: Source, public domain. (Thank you, Metropolitan Museum of Art and Wikipedia!)
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