Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.

The coin, which has a $20 face value, is part of the Dancing Ammolite series of coins that showcase uniquely Canadian gemstones, while also representing the elemental forces that produced them.

The coin, which has a $20 face value, is part of the Dancing Ammolite series of coins that showcase uniquely Canadian gemstones, while also representing the elemental forces that produced them.