French Early 20th Century 18ct Gold, Pink Tourmaline & Natural Split Pearl Catherine Wheel Earrings

A useful pair of every day 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) gold earrings that were made circa 1900-1910 in France.  They are a Catherine wheel design and each earring has been clawA precious metal prong used to hold a gemstone in place. set with a pink tourmalineTourmalines may occur in pink, red, yellow, blue, brown, black or green. The hardness is 7 to 7.5 on the Mohs scale..  The wheels have been set with naturalA natural stone is called such because it has not been subjected to any treatments.  split pearls. They have secure hinge back fittings.