The October Birthstone: Tourmaline – A Kaleidoscope of Color, History, and Meaning by Birthstones GURU Team July 19, 2025
The October Birthstone: Tourmaline – A Gemstone of Color, History, and Significance by Birthstones GURU Team July 16, 2025
The Radiant World of Tourmaline: October’s Colorful Birthstone by Birthstones GURU Team July 16, 2025