♎︎ The lucky stone of Libra: opal
Colour: iridescent. Also named: rose quartz, tourmaline.
The opal plays in every colour, like Libra weighing up the possibilities. It belongs to Venus, and tradition links it with beauty and balance.
The lucky star of Libra in the real sky: Zubeneschamali.
The assignment of stones is tradition, and the lists differ. It is not medicine.