If you're going to call yourself a coffee connoisseur, you better know your beans. Well, berries for that matter. This infographic from Visually can help you brush up on coffee bean facts.

Here's a little trivia to get you in the mood for learning. Did you know it takes 42 coffee beans to make an espresso? Or that the lethal dose of caffeine is about 100 cups of coffee?

The infographic also contains information on Kopi Luwak, the world's most expensive coffee which can cost up to $600 a pound. What makes it so precious? Well, the coffee beans are collected after they've been eaten and excreted by a Sumatran wild cat. 

Surely, you'll pick up on a few more coffee bean facts that'll make your next cup of java a bit more interesting.