Here are some facts about Cloudy Quartz, the wife of Igneous Rock Pie, and the mother of Limestone Pie, Maud Pie, Pinkie Pie, and Marble Pie:
* Cloudy Quartz is the fourth Earth pony mare to have Cathy Weseluck as her voice actress, following Mayor Mare, Lily Valley, and Golden Harvest (Season 1).
* She is the eighth earth pony mare who has Andrea Libman as her voice actress, following Pinkie Pie, Daisy (Season 2), Apple Leaves (Season 3), Hinny of the Hills (Season 4), Strawberry Ice, Chock-full Carafe and Raspberry Beret (all of them are also from Season 5).