Each month has at least one representative gemstone. Here's what you need to know about November's birthstones.

Each month has a gemstone – and some even have more than one. With about 100 gemstones out there, that's a lot of options for the 12 months, each with its own unique colors, symbolism and history.

Actually, the month has two. Start the day smarter. Get all the news you need in your inbox each morning. Here's what you need to know about October's birthstones, including their colors ...