Piedrabase

Piedrabase
Mundo de origen	Roshar

The Polestones are the ten varieties of gemstone that naturally hold Stormlight.

Some polestones are the same type of crystal but with different color and chemical signatures. Sapphire and Ruby are both types of corundum. Smokestone and Amethyst are both types of quartz. Emerald and Heliodor are both types of beryl. Much like how iron and steel are different metals in the Metallic Arts, the exact color and chemical signatures are the determining factor. As a result an off-color polestone acts much like an impure alloy in Allomancy.

Although the type of polestone Stormlight is stored in is irrelevant for most Surgebinding, polestones do have an important impact on Soulcasting. Namely they determine what objects can be Soulcast into.

Ten Polestones

Sapphire

Sapphire is associated with the Essence of Zephyr. They are used to Soulcast translucent gases, like air.

Smokestone

Smokestone is associated with the Essence of Vapor. They are used to Soulcast opaque gases, like smoke and fog.

Ruby

Ruby is associated with the Essence of Spark. They are used to Soulcast fire.

Diamond

Diamond is associated with the Essence of Lucentia. They are used to Soulcast crystals, like quartz, and glass.

Emerald

Emerald is associated with the Essence of Pulp. They are used to Soulcast plant material, like wood and moss.

Garnet

Garnet is associated with the Essence of Blood. They are used to Soulcast the eight types of blood and all non-oil liquids.

Zircon

Zircon is associated with the Essence of Tallow. They are used to Soulcast oils.

Amethyst

Amethyst is associated with the Essence of Foil. They are used to Soulcast metals.

Topaz

Topaz is associated with the Essence of Talus. They are used to Soulcast rock and stone.

Heliodor

Heliodor is associated with the Essence of Sinew. They are used to Soulcast animal material, like meat and flesh.

Notes

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