Diamonds of the Pionerskaya Pipe: Morphology, Spectroscopy, and Prospectsстатья
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Дата последнего поиска статьи во внешних источниках: 10 июля 2024 г.
Аннотация:Compared to diamonds from the Arkhangelskaya and Karpinsky-1 pipes, diamonds from the Pionerskayapipe formed at higher temperatures and were exposed to such conditions for a longer time (theunderwent high-temperature annealing). The Pionerskaya pipe has a slightly lower productivity, but the qualityof diamonds is higher, especially in large size classes. In addition, it has a higher proportion of octahedraand highly transparent crystals that were not subjected to accessory etching.