The four gemstones from Yunnan province, China
Released on J-STAGE: June 10, 2018 | Volume 33 Issue 1-4 Pages 3-12
Ayano Nakajima
[title in Japanese]
Released on J-STAGE: January 16, 2017 | Volume 23 Issue 1-4 KJ00005607791
My 60 years history on technical development of quartz production
Released on J-STAGE: March 29, 2020 | Volume 34 Issue 1-4 Pages 13-20
Mikio Hara
Light Interference Phenomena Observed in Pearls with Pale and Dark Colour and the Measurement
Released on J-STAGE: January 16, 2017 | Volume 23 Issue 1-4 Pages 5-15
Hiroshi Komatsu, Chiyoko Suzuki, Shigetaro Ogura
A review on forms and concentrations of nitrogen impurities in diamond
Released on J-STAGE: August 07, 2021 | Volume 35 Issue 1-4 Pages 31-45
Hisao Kanda
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