scientific activity, after each trip to any region of Russia and Europe, brought interesting mineralogical material...where has collected ratoffkite1 (earthy fluorite), quartz, ferriallophane, shanyavskite, beraunit, calcite...visited Troitsky Stone, stone quarries on the Tura River, Verkhoturie and vicinities of the female monastery...calcite near villages Korotnevo and Nyushchino in the Tver province (Coll.1032 = 12 samples), and since June...clinochlore and rutile β 21 Rbl, beryl and volosatik (quartz) (Sherlovaya Gora) β 18 Rbl (for comparison β the |