摘要
本文综合分析了国内外有关文献中石墨矿物学基础资料,并对石墨矿物的一些基本性质及与变质程度的关系进行了初步研究。资料表明:H/C原子比率与石墨化程度(μ)、浸油中的反射率R_(浸油)(％)、氧化温度(T_(max))有负相关关系,与菱面体多型(R_h)含量有正相关关系;石墨化程度与浸油中的反射率R_(浸油)(％)、氧化温度有正相关关系,菱面体多型含量与R_(浸油)(％)、T_(max)有负相关关系;随着石墨矿床变质程度的加深,石墨的H/c原子比率、菱面体多型含量逐渐减小,而石墨的氧化温度、浸油中的反射率逐渐增大。
This paper analysized comprehensively the basic information concerning the mineralogy of natural graphite in literature at home and abroad and preliminarily investigated the basic properties of natural graphite and the relation to the metamorphic grade. All the information obtained have indicated (1) The atomic ratio of H/C of natural graphite has inverse relation to the degree of graphitization (μ) , the reflectance of immersion oil(R_(oil)％) and the oxidation temperature (T_(max)) has direct relation to the content of rhombohedral modification (R_h); (2) The R_(oil)(％)and T_(max) have direct relation to the degree of graphitization (μ) and inverse relation to the content of R_h; (3) With the metamorphic grade of the graphite deposit increasing, the atomic ratio of H/C of natural graphite and the content of Rh decrease gradually and the T_(max) and R_(oil) (％) increase gradually.
