The stone names are pulled from the manufacturer's catalogue, and may not be 100% accurate or mistranslation. Hematite is clearly not correct, but what the stone is seems to be related. Due to a limited number of selections and needing so many unique choices, stones were chosen for their looks more than their properties.

The Key Keepers Set:* (Choices subject to change)
5 Housewives Dice - Semi-transparent Green Stone
5 Black Lantern Dice - African Bloodstone
Fantasy Die - Indian Agate
Resource Die -  Synthetic Wood Grain
Movement Die - Gold Glitter Stone
Standard - White Jade
Mal - Flash Light Stone
Wood - Hematite
Tel - Yellow Jade
Wyr - Natural Amethyst
Fjul - Lazurite
Syn - Cardinal Stone
Fel - Synthetic Opal