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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia The exceptional specimen of nartosilite monograin of gem-quality. Specimen size is 7.5x5.5x1.7 cm. By the way, it is more simple to obtain such specimen, than preserve it in this quality - the mineral react with air and water wapour in it. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 160807 View Count: 195 |
Natrosilite : Na2Si2O5 | |
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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Colourless lamella-like plate of Natrosilite. Specimen size 3,7 x 2,8 cm. |
| © Peter Kohorst | Photo ID: 55057 View Count: 343 |
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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia The large monograin of semi-transpsrent nartosilite. Specimen size is 6x5x3.5 cm. Natrosilite is an important mineral-catalizator - only in its presence usual sodalite transform into ussingite. By the way, it is the explanation, why ussingite is so rare in Khibina massif, and absent in many other alkaline massifs. Pavel M. Kartashov collection and ... |
| © Pavel M. Kartashov | Photo ID: 161028 View Count: 147 |
Natrosilite : Na2Si2O5, Ussingite : Na2AlSi3O8OH | |
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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Zoomed surface of few cms natrosilite specimen with clearly visible perfect cleavage of the species. Associate violet mineral is ussingite. Field of view is 1.75 cm. Obtained in Mineralogical Museum in Revda, 2005, during journey of The Young Geologists Club, Faculty of Geology, Warsaw University. |
| © Ł Kruszewski 2007 | Photo ID: 113960 View Count: 118 |
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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia The back side of the large monograin of semi-transpsrent nartosilite. Specimen size is 6x5x3.5 cm. Natrosilite is an important mineral-catalizator - only in its presence usual sodalite transform into ussingite. By the way, it is the explanation, why ussingite is so rare in Khibina massif, and absent in many other alkaline massifs. Pavel M. ... |
| © Pavel M. Kartashov | Photo ID: 161032 View Count: 116 |
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Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia The mould of intergranular space of coarse-crystaline agregate of nartosilite. Specimen size is 6x3.5x5 cm. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 161033 View Count: 97 |
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