Peridot: The Olivine Gem of Volcanic Origins and Ancient Lore by Birthstones GURU Team October 5, 2025
April’s Radiant Gem: A Guide to Diamond and its Alternatives by Birthstones GURU Team October 5, 2025
The Sacred Stone of Shoham: October’s Onyx and the Twelve Tribes by Birthstones GURU Team October 5, 2025