Georgian Portrait of Louise-Marie-Adélaïde de Bourbon ring game Mined in the Magdelina and

Mined in the Magdelina and Queretaro regions in rhyolite quarries

"genuine rock crystal"

that employs a highly effective trompe-l'œil - an optical illusion of three dimensional space on a two dimensional surface

per Hessiod

This ring is set with a large chrysoprase cabochon mounted in a simple bezel setting and flat band

Georgian Portrait of Louise-Marie-Adélaïde de Bourbon ring game Mined in the Magdelina andA remarkable oversized pendant with enamelled portrait miniature depicting Louise Marie Adlade de Bourbon, Duchess of Orlans, dressed up as a shepherdess or peasant (although don't be fooled by her simple attire, upon the death of her brother, Louis Alexandre, Prince of Lamballe, Louise Marie was the wealthiest heiress in France prior to the Revolution). On the eve of the French Revolution, in 1789, she was painted by Queen Marie Antoinette's