CARBONADO DIAMOND: A REVIEW OF PROPERTIES AND ORIGIN

被引：8
|
作者：
Haggerty, Stephen E. [1 ]
机构：
[1] Florida Int Univ, Dept Earth & Environm, Miami, FL 33199 USA
来源：
GEMS & GEMOLOGY | 2017年 / 53卷 / 02期
基金：
美国国家科学基金会;
关键词：
CENTRAL AFRICAN CARBONADO; POLYCRYSTALLINE DIAMOND; CHEMICAL-PROPERTIES; PRESSURE; CRYSTALLIZATION; INCLUSIONS; MINERALOGY; EVOLUTION; DEFECTS; GROWTH;
D O I：
10.5741/GEMS.53.2.168
中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
Carbonado diamond is found only in Brazil and the Central African Republic. These unusual diamond aggregates are strongly bonded and porous, with melt-like glassy patinas unlike any conventional diamond from kimberlites-lamproites, crustal collisional settings, or meteorite impact. Nearly two centuries after carbonado's discovery, a primary host rock compatible with the origin of conventional diamond at high temperatures and pressures has yet to be identified. Models for its genesis are far-reaching and range from terrestrial subduction to cosmic sources.
引用
收藏
页码：168 / 179
页数：12
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