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Bertil Otter's Photo Gallery

ENF-25GAstrophyllite K2NaFe2+7Ti2Si8O26(OH)4F , Albite Na(AlSi3O8)

02618870017123239171306.jpg
Lilleelv pegmatite, Lilleelv, Head of Kangerluarsuk, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 22 mm

Lath-shaped, bronze-coloured astrophyllite in albite.
Photo ID: 1364488     Uploaded by: Bertil Otter   Upload date: 2024-04-05   View Count: 13    Status: Public galleries    Type: Photo - 1800Ă—1552 (2.8 Mpix)

PAD-DV8Catapleiite Na2Zr(Si3O9)·2H2O , Albite Na(AlSi3O8)

08890670017123239394728.jpg
Lilleelv pegmatite, Lilleelv, Head of Kangerluarsuk, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 8 mm

Platy, greyish beige catapleiite in a somewhat decomposed matrix.
Photo ID: 1364487     Uploaded by: Bertil Otter   Upload date: 2024-04-05   View Count: 11    Status: Public galleries    Type: Photo - 1800Ă—1450 (2.6 Mpix)

TW5-RNXTugtupite Na4BeAlSi4O12Cl , Chkalovite Na2BeSi2O6

04656400017123239641628.jpg
Qeqertaussaq Island, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 12 mm

Pink tugtupite enclosing kernels of white-colourless chkalovite in an albite/astrophyllite veinlet.
Photo ID: 1364484     Uploaded by: Bertil Otter   Upload date: 2024-04-05   View Count: 10    Status: Public galleries    Type: Photo - 1750Ă—1800 (3.2 Mpix)

MQF-QE6Leucophanite NaCaBeSi2O6F , Aegirine NaFe3+Si2O6 , Astrophyllite K2NaFe2+7Ti2Si8O26(OH)4F

Multiple photos available
02046050017123125009301.jpg
Qeqertaussaq Island, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Dimensions: 75 mm x 45 mm

A small group of white/very pale yellow, and irregular, leucophanite crystals in a black aegirine pocket, associated with shiny, bronze-coloured astrophyllite.
Photo ID: 1364337     Uploaded by: Bertil Otter   Upload date: 2024-04-04   View Count: 18    Status: Public galleries    Type: Photo - 1800Ă—1286 (2.3 Mpix)

8J9-1HPWillemite Zn2SiO4 , Rhodonite CaMn3Mn[Si5O15]

Multiple photos available
07772450017108588576044.jpg
Garpenberg Norra Mine, Garpenberg, Hedemora, Dalarna County, Sweden

Dimensions: 29 cm x 16 cm

Partial coating of colourless-white willemite on a fissure surface in rhodonite.
Photo ID: 1361081     Uploaded by: Bertil Otter   Upload date: 2024-03-19   View Count: 15    Status: Public galleries    Type: Photo - 2100Ă—1592 (3.3 Mpix)

YGG-FTYLöllingite FeAs2 , Natrolite Na2Al2Si3O10·2H2O

00522470017107837724630.jpg
Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia

Field of View: 9 mm

Bright, metallic löllingite in pale pink natrolite.
Photo ID: 1360854     Uploaded by: Bertil Otter   Upload date: 2024-03-18   View Count: 7    Status: Public galleries    Type: Photo - 1851Ă—1854 (3.4 Mpix)

84E-TJAErssonite Mg7Fe3+2(OH)18[Ca(H2O)6](SO4)2·12H2O , Magnetite Fe2+Fe3+2O4 , Calcite CaCO3 , Dolomite CaMg(CO3)2 , Serpentine Subgroup D3[Si2O5](OH)4

Multiple photos available
08874370017107838036244.jpg
Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Dimensions: 13 mm x 10 mm

Colourless, platy, hexagonal erssonite crystals in cavities in a dolomite/magnetite matrix.
Photo ID: 1360851     Uploaded by: Bertil Otter   Upload date: 2024-03-18   View Count: 21    Status: Public galleries    Type: Photo - 2752Ă—2230 (6.1 Mpix)

VFG-MCGEpidote (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) , Ilvaite CaFe3+Fe2+2(Si2O7)O(OH) , Albite Na(AlSi3O8)

Multiple photos available
09688460017056046719662.jpg
Ilvaite occurrence, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 10 mm

An intergrowth of green epidote and black ilvaite on albite and pinkish microcline
Photo ID: 1318405     Uploaded by: Bertil Otter   Upload date: 2023-09-01   View Count: 36    Status: Public galleries    Type: Photo - 1270Ă—1600 (2.0 Mpix)

PDA-NGDAndradite Ca3Fe3+2(SiO4)3 , Aegirine NaFe3+Si2O6 , Epidote (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

02944430017056620934759.jpg
Ilvaite occurrence, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 6 mm

Dark green aegirine crystal penetrating a pale green andradite cube. The black prismatic crystal is ilvaite, and the yellowish green fragments are epidote
Photo ID: 1318401     Uploaded by: Bertil Otter   Upload date: 2023-09-01   View Count: 26    Status: Public galleries    Type: Photo - 1354Ă—1600 (2.2 Mpix)

019-16QAndradite Ca3Fe3+2(SiO4)3 , Albite Na(AlSi3O8)

08179440017056697294369.jpg
Ilvaite occurrence, Kangerluarsuk Fjord, IlĂ­maussaq complex, Kujalleq, Greenland

Field of View: 6 mm

Pale green, transparent andradite crystals on albite
Photo ID: 1318398     Uploaded by: Bertil Otter   Upload date: 2023-09-01   View Count: 27    Status: Public galleries    Type: Photo - 1407Ă—1400 (2.0 Mpix)
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