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（特拉维夫15日综合电）以色列一间宝石开采公司，上月在该国北部迦密山脉发现一种新矿物，其化学结构只曾在外太空见过，密度测试显示它比钻石还要坚硬。该矿物上周获国际矿物协会（IMA）正式承认，并获以色列政府批发商标，将以“迦密蓝宝石”之名推出市场。

新矿物迦密石（carmeltazite）藏于蓝宝石之中，主要成分为钛、铝及锆。地质学家认为，迦密石是在白垩纪时期，于迦密石峰附近较小的火山爆发而产生。这种混合矿物早前已在外太空石块中辨认过，但今次是首次在地球发现同类物质。

根据上月刊登于期刊《矿物学》的报告，迦密石通常是黑色，带有红色条纹及金属光泽；在不同仪器角度下，存有深啡、绿色及白点差异。地质学家布雷桑指，迦密矿石有可能成为比钻石更昂贵的矿石。

正预备将迦密石推出市场的开采公司Shefa Yamim尚未确定沉积矿石的大小，正在附近开采至少7个潜在矿产地；暂时开探出最大的矿石为33.3卡。该公司自2014年起，在近海法的基顺河区域开采火山岩中的蓝宝石。