3/4" x 2/1/2 long 77 cts High Flash Moonstone & Black Tourmaline. Rough Slices of Flashy Moonstone with Black Tourmaline Earrings Collection. This pair of earrings are a semi-mismatched pair with one very long oval and the other with 2 ‘stacked’ slices; is very light to wear with a huge impact of gemstone. The slices of moonstone with their natural black tourmaline matrix is a go-with-everything earring, easy to wear for a high impact everyday – or flattering flash of blue and silver for that evening event. All prong-set with sterling silver. All prong-set with sterling silver.