Rebecca Zemans Jewelry Blog — mohs scale of hardness

  One of the birthstones of June and one of our favorite gemstones to use is Moonstone. With its beautiful shimmer it has fascinated people for centuries continuing to be a very popular and elegant stone. The moonstone got its name from the historian Pliny the Elder, who believed that the stone changed its appearance depending on the phases of the moon. Although a myth, people believed this until the 16th century. Today we know that beautiful shimmer to be adularescence, which happens when the light hits the stone. Moonstone is composed of orthoclase and albite, two minerals from the...

This blog post is dedicated to Mohs scale of hardness. We use it frequently with our stone of the month series so we wanted to take this opportunity to dedicate an entire post to explain it. It is important to know the Mohs hardness in order to better care for different gemstones. The Mohs scale is a way of measuring a stone's scratch resistance against a harder material. It was invented in 1812 by the German geologist and mineralogist Friedrich Mohs and ever since has been used to test and describe the hardness of minerals. While Mohs was the first...