There are probably thousands of heart-shaped gems manufactured for gifts on Valentine's Day, but this amethyst crystal didn't need any carving or polishing. When miners broke it open they found an extraordinary heart already prepared by Mother Earth.

Workers discovered the amazing quartz geode at the border of Uruguay and Brazil when they split open a rock to discover a beautiful purple heart on each side of it.

Uruguay Minerals had just begun excavation at the Santa Rosa mine in the Catalan area in Artigas, and weren't sure if anything of value would be uncovered.

The land with its rugged terrain of basalt provided difficult conditions under which to work-but their struggle was rewarded with 'a pearl of great price'.

"What a treasure!" exclaimed Marcos Lorenzelli of Uruguay Minerals, who said it was the first time the company had ever found such a once-in-a-lifetime gemstone.

Lorenzelli told WS they have already received a bid of $120,000 for the matching pair of rocks. Due to the basalt, Lorenzelli estimates the weight to be over 150 pounds (80kg).

You can contact them with your own bid through their website-and also find many smaller hearts and angel wings crafted by their team to fit smaller budgets looking for the February birthstone.

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