The largest one in the picture is 10.63 X 5.60 X 3.42 mm
The smallest one in the picture is 7.15 X 5.10 X 2.79 mm
The color is actually a nice iridescent white, the photo makes it look yellowed, which it's not.
Very nice luster, I would say. But what do I know? Not much!
Please help me identify...