Ishiharaite
Ishiharaite is an IMA-recognized mineral species in the sulfide class, with the chemical formula (Cu,Ga,Fe,In,Zn)S.
It crystallizes in the cubic crystal system (space group F-43m). It is a member of the Sphalerite structural group.
Key properties: specific gravity 4.343; Metallic luster.
IMA symbol Ish, IMA status: approved, named in 2013.
Found in an epithermal precious- and base-metal vein deposit.
It is found associated with Tennantite, chalcopyrite, sphalerite, pyrite, galena, quartz.
The mineral was named to honor Dr. Shunso Ishihara (b. 1934), Emeritus Advisor of AIST (Advanced Industrial Science and Technology), Tsukuba, Japan.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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