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Science

Get to Know Your Pearls

Traditionally, pearls are June’s birthstone, a title they vie for with other equally beautiful but less well known stones. Unlike every other birthstone I have written about here, pearls are not exactly stones. Pearls are made of calcium carbonate, like most hard objects in the ocean created by organisms. Oh, yeah, that’s the big unique […]

Categories
Science

Gosh-Garnet! It’s Time for January’s Birthstone.

Now this is a stone that a biologist can really love: the name “garnet” does not refer to just one stone, but to a series of several species (yes! Species! I told you biologists would love it) of stone, each one similar, and yet unique, in their formation and chemical structure. Oh January, January, you […]