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Nordite-(Ce) : (Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17, Ussingite : Na2AlSi3O8OH, Sodalite : Na8[Cl2|Al6Si6O24], Magnesio-arfvedsonite : [Na][Na2][Mg4Fe3+][(OH)2|Si8O22] | |
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Pegmatite No. 66, Motchisuai River Valley, Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Rosette of absolutely fresh, transparent nordite-(Ce) from the type locality. Associating minerals are: black prismatic magnesioarfvedsonite, greenish sodalite (var. hackmanite) replace violet ussingite. FOV is ~12x10 mm. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 121426 View Count: 169 |
Nordite-(Ce) : (Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | |
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Pegmatite No. 66, Motchisuai River Valley, Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Rosettes of nordite-(Ce) in ussingite matrix from the type locality. Associated with some arctic flora. :) It may be polytrichum common, but too microscopic one. FOV is ~12x10 mm. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 121427 View Count: 169 |
Nordite-(Ce) : (Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 | |
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Pegmatite No. 66, Motchisuai River Valley, Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Tabular crystals of fresh, transparent nordite-(Ce) from the type locality. Associating minerals are: redish-brown grain of eudialyte, brown lustrous plates of lamprophyllite, red grain of manganneptunite, yellow rhabdophane-(Ce), earthy grey masses of allophane, black prismatic magnesioarfvedsonite, violet to grey ussingite. FOV is ~12x10 mm. ... |
| © Pavel M. Kartashov | Photo ID: 121425 View Count: 165 |
Sphaerobertrandite : Be3SiO4(OH)2 | |
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Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia White to pale brownish aggregates of sphaerobertrandite. Picture size 4 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 10618 View Count: 527 |
Sphaerobertrandite : Be3SiO4(OH)2 | |
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Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Typical Sphaerobertrandite on Quartz. FOV: 1mm Photo and Collection of Martin Slama |
| © mslama | Photo ID: 267920 View Count: 9 |
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