Database on Properties and Uses of Volcanic Glass in the Pyroclastic Deposit

For the past 25 years or more, the Kyushu National Industrial Research Institute (KNIRI) of Japan has been investigating volcanic glass from pyroclastic deposits in various locations, including Hokkaido, Honshu, and Kyushu, Japan as well as Indonesia. This database includes the original measurement data of these samples such as particle size distributions, chemical compositions, mineral compositions, x-ray diffraction patterns, and DTG patterns.