Yuanfuliite

Yuanfuliite is a black submetal mineral.^[3] The mineral is named after the geologist Yuan Fuli.^[4]

Yuanfuliite
General
Category	Minerals
IMA symbol	Yfl[1]
Crystal system	Orthorhombic
Identification
Color	black
Mohs scale hardness	5-6[2]
Luster	Adamantine
Streak	Brownish-black

It can be found in places like Russia, Sakha Republic, and Siberia.^[5]

It occurs in metamorphosed magnesium marble.^[6]