Mineral Composition and Genesis of Black Quartzite Jade from Linwu County, Hunan Province
BACKGROUND Black quartzite jade is a type of commonly and commercially available jade. Many areas produce this gem. OBJECTIVES To analyze the gemological characteristics and mineral composition of the jade samples and to discuss their genesis. METHODS Conventional gemological tests, infrared spectru...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Science Press, PR China
2021-07-01
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Series: | Yankuang ceshi |
Subjects: | |
Online Access: | http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.202012030155 |