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Publication
Jewelry and precious stones are just such a category of goods, when buying which you need to pay attention to many criteria.
Sogdianite is a rather rare mineral and more often it can be found as a collection material (moreover, in systematic collections), and it is extremely rare in jewelry.
Tauson Lev Vladimirovich (October 27, 1917 - November 23, 1989), an outstanding Soviet geologist and geochemist, member of the USSR Academy of Sciences (since 1981).
On October 23, 1992, almost 30 years ago, a significant event took place - the first diamond in Yakutia was cut at the Suntar plant of the Sakha-Japan Diamond joint venture (Tuymaada-Diamond [Yakutia] and Arda-Company [Japan])
Many people know the so-called "solar nepheline" - translucent (up to translucent) nepheline with inclusions that cause adventurism.
