微尺度涡旋位错:宝石晶体又一重要的生长机制

Microscale Vortex Dislocation: Another Important Growth Mechanism of Gem Crystals

采用原子力显微镜、干涉显微镜对水热法合成蓝宝石和天然绿柱石等宝石的表面微形貌进行了研究。通过对宝石晶体中微尺度涡旋位错的表征和示踪,初步证实涡旋位错是某些宝石矿物晶体又一重要的生长机制。这暗示,微尺度成矿流体的涡旋运移与晶相涡旋成核可能是地球成矿动力学体系中某些物质运动和存在的又一种重要的形式。对晶体生长机理的研究现状和发展趋势予以了讨论。

Surface microtopography, representation and tracer of microscale vortex dislocation of hydrothermal synthetic sapphires and natural beryls are studied by using atomic force microscope and interference microscope. The research indicates that microscale vortex dislocation is another important growth mechanism of some gem crystals. It suggests that the vortex migration and crystalling phase vortex nucleation of microscale ore-forming fluid will be the another important way in which some matter in system of metallogenetic kinetics moves and exists. In this paper, the present situation and development of the research on growth mechanism of crystal are also discussed.