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Erich Berger's Photo Gallery

Kopila gamma radiation visualisation in Google Earth

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Kopila, Somero, Southwest Finland, Finland

The yellow peak on the front right is the visualisation of geo-localized gamma radiation at the Kopila U deposit, as overlay on Google Earth. The two peaks to the left on the horizon are from the Kovela Th deposit approx 15km away. The data was collected by hand with a combined scintillation detector/GPS. Each yellow column represents around 5000 point measurements and the height is scaled to 1m/per count/per second. The general background radiation is around 5 to 20 cps, the maximum measured in Kopila is about 1500cps on top of a twenty year old borehole.
Photo ID: 1050859     Uploaded by: Erich Berger   View Count: 178   Approval status: Public galleries    Type: Photo - 1494 x 582 pixels (0.9 Mpix)

VEC-U2CColumbite-(Fe) Fe2+Nb2O6

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Ivigtut cryolite deposit, Ivittuut, Arsuk Fjord, Sermersooq, Greenland

Dimensions: 23 mm x 18 mm x 13 mm
Field of View: 40 mm
Largest Crystal Size: 13 mm

A cluster of columbite-(Fe) with feldspar. Swapped in 2017 at the mineral fair in Copenhagen.
Photo ID: 852437     Uploaded by: Erich Berger   View Count: 45   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

EP8-HGGZircon Zr(SiO4) , Natrolite Na2Al2Si3O10·2H2O , Aegirine NaFe3+Si2O6 , Lorenzenite Na2Ti2(Si2O6)O3

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Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Dimensions: 65 mm x 65 mm x 40 mm
Field of View: 70 mm
Largest Crystal Size: 7 mm

A light brown 7mm zircon sits on greyish natrolite together with green bushels of aegirine and milimeter sized brown green lorenzenite. Swapped in 2017 at the mineral fair in Copenhagen.
Photo ID: 852436     Uploaded by: Erich Berger   View Count: 55   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

005-6WLColumbite-(Fe) Fe2+Nb2O6

Multiple photos available
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Kaatiala pegmatite, Kuortane, South Ostrobothnia, Finland

Dimensions: 45 mm x 24 mm x 17 mm
Field of View: 40 mm
Largest Crystal Size: 25 mm

A cluster of Columbite-(Fe) crystals. As it was ingrown in feldspar I was lucky it came out this good, but many of the smaller "rays" broke. Collected in 2017.
Photo ID: 852434     Uploaded by: Erich Berger   View Count: 61   Approval status: Public galleries    Type: Photo - 2942 x 3267 pixels (9.6 Mpix)

3JX-KQ9Columbite-(Fe) Fe2+Nb2O6

Multiple photos available
02641330015095644917145.jpg
Kaatiala pegmatite, Kuortane, South Ostrobothnia, Finland

Dimensions: 75 mm x 45 mm x 65 mm
Field of View: 60 mm
Largest Crystal Size: 20 mm

A single undamaged crystal which luckily did not break and stayed attached to the matrix. Collected 2017
Photo ID: 852429     Uploaded by: Erich Berger   View Count: 60   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

QNU-M61Columbite-(Fe) Fe2+Nb2O6 , Almandine Fe2+3Al2(SiO4)3

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Tveit 03 Feldspar Quarry, Tveit, Iveland, Agder, Norway

Dimensions: 25 mm x 15 mm x 8 mm
Field of View: 30 mm
Largest Crystal Size: 23 mm

A flat almandine 15x4mm sits on the top/side of a Columbite. I optained this specimen via a trade at the mineral fair in Copenhagen 2017.
Photo ID: 851271     Uploaded by: Erich Berger   View Count: 74   Approval status: Public galleries    Type: Photo - 1811 x 1209 pixels (2.2 Mpix)

JPC-A0CTapiolite-(Fe) Fe2+Ta2O6

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Rosendal pegmatite, Kimitoön Island, Kimitoön, Southwest Finland, Finland

Dimensions: 35 mm x 20 mm x 20 mm
Field of View: 40 mm
Largest Crystal Size: 15 mm

Strangely tapered undamaged Tapiolite-(Fe) from the type locality. Collected in summer 2017.
Photo ID: 851263     Uploaded by: Erich Berger   View Count: 58   Approval status: Public galleries    Type: Photo - 2592 x 1728 pixels (4.5 Mpix)

408-0EGTopaz Al2(SiO4)(F,OH)2

06071740015091810303656.jpg
Murskelouhos pegmatite, Kotka, Kymenlaakso, Finland

Dimensions: 15 mm x 15 mm x 15 mm
Field of View: 30 mm
Largest Crystal Size: 15 mm

I found this topaz in the gravel just below the quarry wall after the water was pumped off. The wall showed several emptied pockets and the Topaz must have come from one of them. The topaz is light blue, but I was not able to capture the color correctly. Some smaller topaz and quartz crystal fragments have been also found but nothing reportable. Collected in summer 2017.
Photo ID: 851261     Uploaded by: Erich Berger   View Count: 69   Approval status: Public galleries    Type: Photo - 1811 x 1209 pixels (2.2 Mpix)

A64-6KPFluorite CaF2

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Kultaanranta quarry, Kotka, Kymenlaakso, Finland

Dimensions: 22 mm x 20 mm x 20 mm
Field of View: 60 mm
Largest Crystal Size: 22 mm

Light violet fluorite from a miarolitic cavity. The crystal was found loose in the cavity gravel but must have been attached earlier. The faces are heavily etched/pockmarked but show also healing. Mica/chlorite which is not removable sits in many of those pockmarks making the specimen look dirty. Other Minerals in the cavity were deep black smoky quartz up to 6cm and mostly covered with a layer of chlorite as well as microcline crystals up to 5cm. Field collected in summer 2017.
Photo ID: 846408     Uploaded by: Erich Berger   View Count: 79   Approval status: Public galleries    Type: Photo - 5198 x 3462 pixels (18.0 Mpix)

KU2-J9GFluorite CaF2 , Orthoclase K(AlSi3O8)

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Kultaanranta quarry, Kotka, Kymenlaakso, Finland

Dimensions: 15 mm x 12 mm x 15 mm
Field of View: 45 mm
Largest Crystal Size: 15 mm

An 8mm violet fluorite crystals cluster is attached on a 15mm orthoclase. The orthoclase was attached on the right side to an open miraolitic cavity of approx 30cm but was found loosely in the gravel together with a few loose fluorite clusters. There was no quarz, only feldspar and fluorite. The orthoclase has an overgrowth of muscovite and/or chlorite. It was field collected in summer 2017.
Photo ID: 846404     Uploaded by: Erich Berger   View Count: 127   Approval status: Public galleries    Type: Photo - 3628 x 2422 pixels (8.8 Mpix)
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