Long Trio Pastille Earrings. Amethyst, Grey Moonstone, Smoky Quartz & Gold. These elegant drop earrings are a harmonious arrangement of colour. Dangling pastilles of Grey Moonstone, Smoky Quartz and Amethyst are complimented by a delicate, sparkly diamond cut chain in 18k Yellow Gold. These earrings have a total length of 6cm including the Gold stem.