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Names in Gemology – Tauson Lev Vladimirovich

Tauson Lev Vladimirovich (October 27, 1917 - November 23, 1989), an outstanding Soviet geologist and geochemist, member of the USSR Academy of Sciences (since 1981). Founder of the scientific direction "Chemical geodynamics of magmatic processes". Being the head (1967-1989) of the working group on applied geochemistry of the International Association of Geochemistry and Cosmochemistry, he created the first department of prospecting and exploration geochemistry in the USSR at the Irkutsk Polytechnic Institute, which created opportunities for the widest possible application of geochemical methods for prospecting for mineral deposits in the process. In gemology, the name of Lev Vladimirovich is noted in the mineral tausonite, a natural analogue of synthetic strontium titanate (one of the most famous commercial names of which is “fabulite”), which has been widely used as an imitation of diamond since its synthesis (1953, under the direction of L. Merker) in the National Lead Company in the USA [a piece of New Jersey]) and before the creation of cubic zirconia (1970, at the P.N. Lebedev Physical Institute of the USSR Academy of Sciences in Moscow). The mineral tausonite, first found in 1981 in the metasomatites of the Murun massif and approved as a new mineral in 1982, unfortunately has no use as an object of gemology due to its dark (almost black) color and lack of transparency in natural samples. However, his discovery made it possible to transfer the artificial material strontium titanate into the category of synthetic stones, namely synthetic tausonite.

Other publications

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.

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.

Last August was not generous with the finds of large amber nuggets, but towards its end, on the eve of the Apple Feast, this summer month also pleased amber miners with a large nugget.

The train of thought of suppliers and sellers (and sometimes manufacturers) of jewelry is interesting.