Wild sapphire

"From the wide spectrum of types, colors, and shapes, everyone at Bron has a few favorite gemstones. But all of us just love the complex colors typically found in sapphire and tourmaline. Each and every stone is unique and we accept that it is not easy – and sometimes impossible – to find two matching stones for a pair of earrings."

Read more about Bron in our brand book.


The Mohs hardness scale

The Mohs hardness scale describes a scale from 1 to 10, which indicates the relative hardness of a mineral. Diamond is the hardest substance in the world and is therefore rated with the highest hardness grade of 10. To further illustrate the Moh's hardness it helps to imagine that a moonstone
(hardness 6) is about as hard as the blade of a kitchen knife. A fingernail would only measure a grade of 2-2.5 on the scale.

At Bron, the hardness plays a minor role. Our overriding selection criteria are color and the ‘liveliness’ of a gemstone.