Xamarin.Ios FontAwesome package
using FontAwesome;
var button = FA.Glass.FAButton(UIColor.Clear, 25);
var label = FA.Glass.Label(UIColor.Clear, 25);
var image = FA.Glass.UIImage(UIColor.Clear, new CGSize(50, 50));
var image2 = FA.Glass.UIImage(UIColor.Clear, new CGSize(50, 50), UIColor.Black, UIColor.Clear);
var tabbaricon = FA.Glass.TabBarIcon();