Misakiite

Misakiite is a halide mineral from the Atacamite group bearing copper and manganese. It is closely related to Iyoite. The mineral species was approved by the IMA in 2013, a description was published in 2017 based on samples from the Sadamisaki Peninsula, after whose colloquial name Misaki, the mineral was named.^[1]

Misakiite
General
Category	Atacamite group
Formula	Cu3Mn(OH)6Cl2
IMA symbol	Msk
Strunz classification	3.DA.10c
Crystal system	Trigonal
Identification
Color	emerald green
Luster	vitreous
Specific gravity	3.42 g/cm3 (calculated)
References	[1]