Rebecca Zemans Jewelry Blog — minerals

Citrine is the birthstone for the month of November.  The name derives from the Latin citrina meaning "yellow" and is also the origin of the word "citron".  The stone can range in color from a pale yellow to brown.  A member of the Quartz family, citrine is closely related to amethyst, sometimes the two are even found together in the same crystal, called ametrine. Citrine, as well as other stones within the Quartz family, has a 7 on the Mohs Scale of Hardness.  Citrine jewelry can be brittle for everyday wear, however these stones bring beautiful color and are safe...

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...