Comparative Analysis of Guatemalan and Qing Dynasty Jadeite Elemental Signs [PDF]
Molecules, 2023 Different jadeites have different characteristics. In this paper, the La-ICP-MS test is used to compare and analyze the elemental characteristics of jadeite in Guatemala and the Qing dynasty.
Xinxin Liu +5 more
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Research on parameters optimization of digital imaging system in red–yellow jadeite color measurement [PDF]
Scientific Reports, 2022 The application of digital imaging to color measurement is more and more extensive, which also provides new ideas for gemology. In this paper, the single-factor experiment method and orthogonal experiment design are used to study the influence parameters
Ziyuan Liu +3 more
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Removal of iron and manganese from acidic aqueous solution by pyrite and pyrite-calcium sulfite [PDF]
Scientific ReportsPyrite and calcium sulfite were used to remove iron and manganese from an acidic aqueous solution. The concentration of Fe was decreased to be smaller than 0.05 g/L in 60 min when pyrite and air were added into the acidic aqueous solution, but the ...
Xu Zhang +4 more
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The impact of mineral composition and trace metal cations on the body color of South African Sugilite Jade [PDF]
Scientific ReportsSugilite jade is an emerging jade material in the jewelry market with various shades of purple in appearance, and there is currently a gap in research on the blue and pink hues it possesses.
Pengyu Li, Ying Guo
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Light source dependent colour perception in orange red garnets via spectroscopy and colorimetry [PDF]
Scientific ReportsThe coloration of garnets is governed by transition metal ions and crystal structure. This study established a rapid variety identification method for orange-red garnets based shifts in infrared absorption peaks.
Meilin Zhu, Pohsun Wang, Ying Guo
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Template-Free Synthesis of Phosphorus/Nitrogen-Doped Mesoporous Titania Materials with Excellent Adsorption for Lysozymes [PDF]
ACS Omega, 2023 Yajing Wang +5 more
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Atmosphere, 2022 Hexavalent chromium (Cr (VI)), an anthropogenic heavy metal pollutant, is harmful to human beings, due to its carcinogenicity. In this study, a tourmaline–biochar composite (TMBC) was synthesized to remove Cr (VI) from an aqueous solution. The effects of
Siyi Huang +4 more
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Mineralogical And Gemological Characteristics Of Metaophiolite Hosted Corundum (Malatya-Türkiye)
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2021 The corundum is found in the rocks of the Berit metaophiolite in Eastern Anatolia, near Doğanşehir a province of Malatya. Metaophiolitic rocks consist mainly of garnet metagabbro, granulite, amphibolite, mylonitic amphibolite, garnet amphibolite ...
Fikret İşler +5 more
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Crystals, 2022 H2O molecules in emerald channels have been extensively discussed over the past half century. Recent studies paid attention to their classification and coordination, but have mostly focused on the type related to Na+.
Yu-Yu Zheng +9 more
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Exploring the CAM18 Crystal as a Potential Reference Material for U–Pb Analysis of Zircon
Crystals, 2023 In the process of in situ zircon U–Pb dating, it is an effective means to overcome the matrix effect by using a matrix-matched external reference material.
Wurui Li +4 more
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