Obsidian
![Obsidian](https://www.revuemag.com/wp-content/uploads/2017/09/Sara-Manzana-Morales-600-400x280.jpg)
Think obsidian, and probably a black, sharp rock comes to mind, not much of a gemstone, with a name that sounds more scientific than a glamorous jewel. Blame the name on a Roman explorer, Obsidius, who wandered into Ethiopia and brought the Caesars back the dark natural glass. Blame the plain-Jane black in your mind on the fact that most […]
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