Usage patterns
〈人〉は〈形容詞〉性質だto describe a person's inherent temperament as ~
He has a cautious nature.
〈物〉は〈形容詞〉性質を持つfor a thing or substance to have a certain property
This metal has a property of being heat-resistant.
性質上by nature; inherently, due to the fundamental characteristics of something
Due to the nature of this job, there's a lot of overtime.
〈事〉という性質があるto have the characteristic/property of doing ~
Water has the property of expanding in volume when it freezes.
〈事〉の性質を理解するto understand the nature or properties of something
It's important to understand the nature of chemical reactions.