简介概要

开发深色蓝宝石新构思

来源期刊：超硬材料工程1996年第3期

论文作者：朱而勤

摘要：开发深色蓝宝石新构思朱而勤山东昌乐的蓝宝石以颗粒大、裂隙少、成品率高为重要特点，而且品种多，其中的普通蓝宝石和特异蓝宝石已得到广泛利用。在宝石级（可磨制各种刻面、素面饰品）和不能用作宝石的刚玉之间，还存在着大量的过渡品。这些过渡类型以颜色深暗、透明度...

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开发深色蓝宝石新构思

朱而勤

摘要：开发深色蓝宝石新构思朱而勤山东昌乐的蓝宝石以颗粒大、裂隙少、成品率高为重要特点，而且品种多，其中的普通蓝宝石和特异蓝宝石已得到广泛利用。在宝石级（可磨制各种刻面、素面饰品）和不能用作宝石的刚玉之间，还存在着大量的过渡品。这些过渡类型以颜色深暗、透明度...

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