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Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13, Astrophyllite : (K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7 | |
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Langesundsfjorden, Larvik, Vestfold, Norway Brownish massive tritomite in syenite. Specimen measures 6cm in width. A brown prism of astrophyllite is seen at the upper right. |
| Photo ID: 191160 View Count: 77 | |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13 | |
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Tvedalen, Larvik, Vestfold, Norway A 3 cm section of Tritomite-Ce in matrix from an old quarry near Torpevannet in Tvedalen, Langesundsfjord-area, Vestfold, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 55102 View Count: 270 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13 | |
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Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Triangular sections of fresh unaltered tritomite-(Ce) crystals in fenite matrix. FOV is ~12x10 mm. Collected by Nikolai V. Vladykin. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 134602 View Count: 237 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13, Bastnäsite-(Ce) : (Ce,La)[F|CO3] | |
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Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Tritomite-(Ce) crystal in fenite matrix. Section parallel to L6. Crystal from weathered surface of rock and is partialy replaced by microcrystaline yellow bastnasite-(Ce) with outlined inner structure of metamictization of the mineral. FOV is ~12x10 mm. Collected by Nikolai V. Vladykin. Pavel M. Kartashov collection and photo. Mindat.org Photo of the Day - 17th Feb 2009 |
| © Pavel M. Kartashov | Photo ID: 134209 View Count: 475 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13, Bastnäsite-(Ce) : (Ce,La)[F|CO3] | |
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Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Triangular sections of tritomite-(Ce) crystals in fenite matrix. Material is partialy altered and replaced by yellow bastnasite-(Ce). FOV is ~12x10 mm. Collected by Nikolai V. Vladykin. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 134604 View Count: 186 |
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Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Triangular, parallel to L6, sections of tritomite-(Ce) short-prismatic crystals in fenite matrix. Specimen with weathered surface of rock, so tritomite is partialy replaced by microcrystaline yellow bastnasite-(Ce). Specimen size is 8x6x3 cm and its radioactivity is ~175 μR/h. Collected by Nikolai V. Vladykin. Pavel M. Kartashov collection and ... |
| © Pavel M. Kartashov | Photo ID: 144165 View Count: 173 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13 | |
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Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia Triangular sections of fresh unaltered tritomite-(Ce) crystals in fenite matrix. FOV is ~12x10 mm. Collected by Nikolai V. Vladykin. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 134603 View Count: 113 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13 | |
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Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia dimension area mm. 4 x 4 photo and collection Luigi Chiappino |
| © luigi chiappino | Photo ID: 223413 View Count: 18 |
Tritomite-(Ce) : (Ce,La,Y,Th)5(Si,B)3(O,OH,F)13 | |
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Norra Kärr, Gränna, Jönköping, Småland, Sweden A 4mm grain |
| © Maurice de Graaf | Photo ID: 18352 View Count: 593 |
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Norra Kärr, Gränna, Jönköping, Småland, Sweden Tritomite - close-up of a 1 cm brown section within a 6.5 x 4.5 cm matrix. See additional photo and label. |
| © Christopher O'Neill | Photo ID: 165771 View Count: 152 |
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