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Top 3 state stones you’ve probably never heard of

The sandstone which makes up the Valley of Fire is Nevada's official state rock.

Recently at Surfacepedia, we gave you a short (and hopefully interesting!) history of one of the most famous types of American stone: Yule marble, the state rock of Colorado. This got us wondering: What are some other official state rocks, and what are some of their stories?

Without further ado, here are a few of the state rocks we're most impressed with – and ones only stone aficionados have likely ever heard about.

Winnsboro Blue Granite

This gray and light blue colored granite was declared the state rock of South Carolina in 1969, and can be found in in the Piedmont and Midlands regions. It was quarried at the Kincaid-Anderson Quarry in, strangely enough, Winnsboro, until it closed down in 1946.

Despite the closure, the granite had a lasting impact on the Palmetto State's geography. The highly-prized rock was used to create everything from Charleston's cobbled streets to the South Carolina Statehouse, and was even used for the creation of the Georgia Guidestones – also known as the American Stonehenge.

Nevada sandstone

When you think of Nevada, one of the first things that springs to mind (after that trip to Vegas you don't talk about anymore) is the hot, blistering sand in the desert. It's no surprise, then, that sandstone was declared the state rock of Nevada in 1987, thanks to the efforts of fifth graders at Las Vegas' Gene Ward Elementary School.

From Red Rock Canyon to the Valley of Fire state park, the state's distinct red sandstone is responsible for the enduring images we hold of the Nevada countryside. It's not just natural features though – the sandstone was also used to construct the state capitol in Carson City – after it was quarried from the old Nevada prison – as well as the former United States Mint.

Wisconsin Red Granite

The third and final state rock on our list is something of a combination of the last two: It's a funky-colored granite that happens to be red, like Nevada's sandstone. The Kenosha Gem and Mineral Society nominated red granite to be the state rock in order to raise awareness of the Badger State's unique geology. They got their wish in 1971.

While granite is typically associated with darker, cooler colors, red granite is unique for appearing red or pink from afar. Only once you come close do you notice its gray and purplish spots. It was mined all over Wisconsin (including the Red Granite Quarry in the appropriately named village of Redgranite). It was used for paving blocks outside of Wisconsin, and occasioned something of an economic boom when it was discovered.

If you're something of a stone connoisseur, which other state rocks are your favorite? Whichever it may be, if it ever happens to grace your humble abode, be sure to use Dry-Treat's Oxy-Klenza™ to clean up any unsightly stains that it may accumulate. 

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