Tourmaline: The Birthstone of Many Colors
“Between tourmaline (whose color depends on trace elements in its chemical makeup) and opal (which diffracts light to show a... Read More
“Between tourmaline (whose color depends on trace elements in its chemical makeup) and opal (which diffracts light to show a... Read More
While it’s not uncommon for a given month to have an alternate birthstone (September celebrates both the sapphire and the... Read More