What's All The Hoopla about hoops? They are back in a big way and when they are designed with different cuts and colors of gemstones like these by Megan Thorne in 18K gold, they will rock a hoop lovers' world Mismatched is the way to go when it comes to colored stone earrings-particularly when the gemstones are tourmaline and come in a range of colors One of her signature pieces is her 'Metropolis' charm or pendant.