Quartz from Ashio Copper Mine, Nikko-shi, Tochigi, width 23 mm (photographic portion), Chigakusha collection, 2023
Cryolite from Ivigtut Mine, Arsuk Fjord, Greenland, width 17 mm (photographic portion), Chigakusha collection, 2023
Cryolite from Ivigtut Mine, Arsuk Fjord, Greenland, width 29 mm, Chigakusha collection, 2023
Cryolite (in water) from Ivigtut Mine, Arsuk Fjord, Greenland, height 25 mm, Chigakusha collection, 2023
Spessartine garnet from Wushan Mine, Tongbei, Fujian, China, width 52 mm, Chigakusha collection, 2023
Garnet on sandpaper, photo width 46 mm, 2023
Spessartine garnet from Wushan Mine, Tongbei, Fujian, China, width 88 mm, Chigakusha collection, 2023
Spessartine garnet from Wushan Mine, Tongbei, Fujian, China, diameter 4 mm (largest crystal), Chigakusha collection, 2023
Ulexite from Boron, California, USA, width 43 mm, Chigakusha collection, 2023
Synthetic bismuth, width 17 mm, Chigakusha collection, 2023
Synthetic bismuth, width 14 mm, Chigakusha collection, 2023
Kasumi Coast, Kami-cho, Mikata-gun, Hyogo, 2022
Kasumi Coast, Kami-cho, Mikata-gun, Hyogo, 2022
Tajima-Matsushima, Kasumi Coast, Kami-cho, Mikata-gun, Hyogo, 2022
Tajima-Matsushima, Kasumi Coast, Kami-cho, Mikata-gun, Hyogo, 2022
Seiryudo Cave with columnar joints, Genbudo Park, Akaishi, Toyooka-shi, Hyogo, 2022
Seiryudo Cave with columnar joints, Genbudo Park, Akaishi, Toyooka-shi, Hyogo, 2022
Seiryudo Cave with columnar joints, Genbudo Park, Akaishi, Toyooka-shi, Hyogo, 2022
Genbudo Cave with columnar joints, Genbudo Park, Akaishi, Toyooka-shi, Hyogo, 2022
Genbudo Cave with columnar joints, Genbudo Park, Akaishi, Toyooka-shi, Hyogo, 2022
Boulder of crystalline limestone, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
Outcrop of crystalline limestone, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
Graphite-bearing crystalline schist, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Tatsunokuchi, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Akadaki, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Meotobuchi Deep Water, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Meotobuchi Deep Water, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Kuigankai, the sea of rocks in Kui, Kuichoyoshida, Mihara-shi, Hiroshima, 2021
Kuigankai, the sea of rocks in Kui, Kuichoyoshida, Mihara-shi, Hiroshima, 2021
Kuigankai, the sea of rocks in Kui, Kuichoyoshida, Mihara-shi, Hiroshima, 2021
Dangyokei, Taishakukyo Gorge, Hiroshima, 2021
Dangyokei, Taishakukyo Gorge, Hiroshima, 2021
Taishakukyo Gorge, Hiroshima, 2021
Karamon, a limestone cave, Taishakukyo Gorge, Hiroshima, 2021
Karamon, a limestone cave, Taishakukyo Gorge, Hiroshima, 2021
Taishakukyo Gorge, Hiroshima, 2021
Ombashi, a naturally formed limestone bridge, Taishakukyo Gorge, Hiroshima, 2021
Ombashi, a naturally formed limestone bridge, Taishakukyo Gorge, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Rhyolite in Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandandaki, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandandaki, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sandandaki, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
Sarutobi, Sandankyo Gorge, Akiota-cho, Hiroshima, 2021
