浅析翡翠的岩石类型对其比重、折射率的影响
Journal of Earth Science and Enivronmental(2004)
Abstract
翡翠的矿物组成、岩石类型不同,将会对翡翠的比重、折射率产生直接的影响.从翡翠的岩石学、矿物学角度出发,讨论了翡翠的岩石类型,依据组成翡翠的主要矿物的比重和折射率值,建立了翡翠矿物组成成分及含量与其比重、折射率关系图解,确定了各种翡翠的比重、折射率变化范围分别为:2.93~3.60和1.593~1.750;优质翡翠的比重、折射率分别为:3.178~3.240和1.644~1.657,为翡翠的质量评估提供了客观依据.
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Key words
jadeite types,refractivity,specific density
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