抄録
Coloradoite was found in one of polished sections from the Daté mine, southwestern Hokkaido by means of physical properties and an electron microprobe analysis.
On the basis of the assemblage of coloradoite and the associated minerals, the fugacity ranges of Te2 and S2 are estimated at from 10−7.9 to 10−10.9 atm and from 10−10.1 to 10−11.4 atm, respectively, in hydrothermal solution, as the formation temperature of coloradoite can be assumed about 300°C.
