Let's face it, there are a lot of weird words in geology and there are words that may have different meanings. In this video, I play...

Here's my attempt at making chalcanthite crystals for my geology class. I based my process off of three other videos (their links in the...

Tanzanite is one of December's birthstones. It also has a cool color effect called pleochroism that makes it look like it changes colors!