I learned the word geode (am I even spelling it right?) and what it actually is from my 4-year-old. Older boys at church taught her how to find geodes and smash them with bricks.
How come I never knew about this and what else am I missing?
Geodes
Opinions, art, debate
Clarissa's Blog 
Yes, you are spelling ‘geode’ correctly. They are magnificent. I first learned about them from my first daughter, an undergraduate geology major. They can be either some variety of quartz or some variety of calcite. The most beautiful way to open one is to slice it open with a diamond saw. A hotel where I stayed in Seattle two months ago had an amethyst one about four feet in diameter, sawed in half by a diamond saw, with a heavy clear glass top so that it served as a coffee table in the hotel lobby. It was wonderful!
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