Raventhorn Sap
Properties
Material Characteristics
Raventhorn sap is a thick, deep red liquid that seeps from the Raventhorn tree when the weather is hot and humid. It is incredibly sticky and stains anything it comes into contact with a rich brown color.
Geology & Geography
Raventhorn trees grow in swampy areas and the sap is harvested during hot, humid periods.
History & Usage
History
It is unknown exactly when it was discovered that Raventhorn sap could be used as a dye, but it has been used for hundreds of years to dye clothing, wood, and other organic materials.
Everyday use
The sap of the Raventhorn tree is used to dye materials, especially fabrics and leather used in clothing and accessories.
Refinement
Raventhorn sap can be used in its natural state to dye small items, but in order to have a consistent color throughout a material or to dye larger batches of material, the sap has to be heated to a more liquid state and mixed with other ingredients. During this process is when the smell becomes most difficult to handle.
Hazards
Those who are sensitive to smells may find it difficult to work with Raventhorn sap. Many people become ill when exposed to the fresh sap or the dye during the dying process. Fortunately for all of those who have issues with the smell, once the dyed materials dry and go through an initial washing cycle, the smell does not remain, even when the material is exposed to heat.
Environmental Impact
Harvesting Ravethorn sap can be difficult, as the Raventhorn tree grows in swampy areas. Over-harvesting from certain trees can lead to them dying or stunting the growth of young trees. Collecting the sap can also be disruptive to the animals living near the trees, including nesting birds.
Distribution
Storage
The sap is often kept in a cool place to allow it to solidify. This makes it easier to store and also minimizes the smell until it needs to be used.

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