The Abyssal Nitre Ore is an ore added in AbyssalCraft. It generates within The Abyssal Wasteland.
This block can't be crafted.
When mined, the Abyssal Nitre Ore drops 1 - 4 Nitre.
The Abyssal Nitre Ore generates within The Abyssal Wasteland at ground level 40 and below.
Nitre can be used to create gunpowder (along with sulfur and charcoal). It's main usage is Crystallization, where you can harvest Potassium (and Nitrate) from it.