The relationship between nacreous layer color and CaCO3 crystal orientation |
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| Authors: | Jiang Xinnong Zheng Junying Li Jingzhi Xu Xuehong |
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| Institution: | (1) College of Life Sciences, Wuhan University, 430072 Wuhan, China |
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| Abstract: | The pearl or nacreous layer of mollusk shell is composed of CaCO3 aragonite crystals. The factors affecting their color are very complex, such as metal elements, chromoprotein, and nucleation
materials, we analyzed the crystal orientation of nacreous layers with different color prepared from fresh water clamsHyriopsis cumingii Lea by X-ray diffraction. The results show that the crystal CaCO3 orientation on specific plane is responsible for the color of pearl and nacreous pearl color.
Supported by National Natural Science Foundation of China and Morning Sunlight Program of Wuhan City Government.
Jiang Xinnong: born in 1970, Lecturer |
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| Keywords: | CaCO3 aragonite crystal orientation macreous layer pearl color |
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