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14 February 2012

A Heart of Stone

A heart of stone. Happy Valentine’s Day, everyone! For those of you who are grumpy on Valentine’s Day, here’s a heart of stone. For the geologists, this heart of stone that should make you slightly less grumpy. There are some good stones in there, including gabbros, purple calcite, nummulite-bearing rock, and some excellent shell fossils. I’ve had a busy Valentine’s Day. I’m tired from spending 12 hours working on my …

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14 February 2011

A Valentine’s Day Rock: Heartstones

A heartstone is a heart-shaped rock. Many different types of rocks can be heartstones; all that matters is the shape. Many heartstones form naturally through tricks of weathering; others are artificially chiseled and polished into a heart shape. I  often look for heartstones when walking– along a beach, a woodland path, or even a driveway. Whenever I find a heartstone, I think fondly of a bookstore called “Heartstone Books” that …

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A Valentine’s Day Rock: Heartstones

A heartstone is a heart-shaped rock. Many different types of rocks can be heartstones; all that matters is the shape. Many heartstones form naturally through tricks of weathering; others are artificially chiseled and polished into a heart shape. I  often look for heartstones when walking– along a beach, a woodland path, or even a driveway. Whenever I find a heartstone, I think fondly of a bookstore called “Heartstone Books” that …

Read More >>