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Alan Barnes (2)'s Photo Gallery

EKM-T16Whiteite-(CaFeMg) : {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2·8H2O, Lazulite : (Mg,Fe2+)Al2(PO4)2(OH)2, Quartz : SiO2

Rapid Creek, Dawson mining district, Yukon, Canada

Dimensions: 2.8 cm x 1.4 cm x 1.9 cm
Largest Crystal Size: 1.2 cm

Thumbnail specimen of tan coloured crystals of whiteite-(CaFeMg)in association with abundant blue lazulite on a matrix of colourless to white quartz. Photograph taken in natural daylight. Specimen dimensions are 2.8x1.4x1.9cm and the largest crystal measures 1.2cm along the x-axis. Alan Barnes specimen and photograph
Photo ID: 768446     Uploaded by: Alan Barnes (2)   View Count: 58   Approval status: Public galleries    Type: Photo - 1968 x 1786 pixels (3.5 Mpix)

9UW-H1VHilarionite : Fe3+2(SO4)(AsO4)(OH)·6H2O

Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavrion District, Attikí Prefecture, Greece

Dimensions: 25 mm x 13 mm x 6 mm
Field of View: 30 mm
Largest Crystal Size: 1 mm

Pale greenish yellow crudely globular aggregates of hilarionite to approximately 1mm on a 'limonite' rich matrix. Photograph taken in natural light as a single photograph with Sony alpha 290 camera. Specimen dimensions are 25x13x6mm
Photo ID: 725132     Uploaded by: Alan Barnes (2)   View Count: 86   Approval status: Public galleries    Type: Photo - 2135 x 1829 pixels (3.9 Mpix)

N5K-D37Ellingsenite : Na5Ca6Si18O38(OH)13·6H2O, Aegirine : NaFe3+Si2O6, Villiaumite : NaF

Aris Quarries, Aris, Windhoek District, Khomas Region, Namibia

Dimensions: 42 mm x 35 mm x 30 mm
Field of View: 3 mm
Largest Crystal Size: 0.2 mm

Aggregates of white ellingsenite associated with aegirine and villiaumite. Photo is stacked image of 42 photographs taken using Nikon Coolpix 950 coupled to a Leica GZ4 microscope and the images stacked using Combine ZP. No other equipment used. Specimen dimensions are 42x35x30mm with individual crystal sizes of about 0.2um.
Photo ID: 724146     Uploaded by: Alan Barnes (2)   View Count: 86   Approval status: Public galleries    Type: Photo - 908 x 808 pixels (0.7 Mpix)

N8D-YACStrontioginorite : CaSrB14O20(OH)6·5H2O, Gypsum : CaSO4·2H2O

Kohnstein Quarry, Niedersachswerfen, Nordhausen, Harz, Thuringia, Germany

Dimensions: 23 mm x 17 mm x 12 mm
Field of View: 12 mm
Largest Crystal Size: 7 mm

Colourless, transparent, lamellar crystals of strontioginorite to 7mm on a matrix of gypsum. Photograph is a composite image of 47 photographs taken using Nikon Coolpix 950 mounted on a Leica GZ4 microscope and stacked using CombineZP. No other equipment used.
Photo ID: 723781     Uploaded by: Alan Barnes (2)   View Count: 81   Approval status: Public galleries    Type: Photo - 611 x 477 pixels (0.3 Mpix)

0FT-1L8Macaulayite : (Fe,Al)24Si4O43(OH)2

Bennachie, Inverurie, Aberdeenshire, Scotland, UK

Dimensions: 21 mm x 12 mm x 10 mm
Field of View: 25 mm

Massive blood red macaulayite on a weathered granite matrix from the type and only known terrestrial locality for it. Collecting is now prohibited at the locality.
Photo ID: 669728     Uploaded by: Alan Barnes (2)   View Count: 341   Approval status: Public galleries    Type: Photo - 1631 x 1225 pixels (2.0 Mpix)

8L0-F13Fluorite : CaF2, Galena : PbS

Blackdene Mine, Ireshopeburn, Stanhope, Co. Durham, England, UK

Dimensions: 10 cm x 7.5 cm x 4.2 cm
Field of View: 12 cm
Largest Crystal Size: 2.5 cm

Fluorite & galena on a matrix of colourless to white quartz (not visible). Both fluorite and galena are very well crystallised. Nice specimen from a classic British locality for purple fluorite. Specimen dimensions are 10.0x7.5x4.2xm. Alan Barnes collection and photo.
Photo ID: 643893     Uploaded by: Alan Barnes (2)   View Count: 118   Approval status: Public galleries    Type: Photo - 2771 x 2257 pixels (6.3 Mpix)

WE2-HKWTrembathite : (Mg,Fe)3(B7O13)Cl

Boulby Mine, Loftus, Redcar and Cleveland, North Yorkshire, England, UK

Dimensions: 1.5 cm x 1.3 cm x 1.0 cm
Largest Crystal Size: 1.0 cm

Matrix-free specimen of dark brown trembathite. Largest crystal measures 1.0x0.8.0.6cm. Alan Barnes specimen and photo.
Photo ID: 638661     Uploaded by: Alan Barnes (2)   View Count: 231   Approval status: Public galleries    Type: Photo - 1404 x 1169 pixels (1.6 Mpix)

C44-21TSmolyaninovite : Co3Fe3+2(AsO4)4·11H2O, Erythrite : Co3(AsO4)2·8H2O

Muckross Mine, Killarney, Co. Kerry, Ireland

Dimensions: 35 mm x 24 mm x 25 mm

Miniature specimen of brownish orange coloured massive smolyaninovite associated with erythrite. The bulk of the erythrite is massive but there are small aggregates of darker purplish pink microcrystals of erythrite present. Alan Barnes specimen and photo.
Photo ID: 595838     Uploaded by: Alan Barnes (2)   View Count: 233   Approval status: Public galleries    Type: Photo - 1844 x 1605 pixels (3.0 Mpix)

XXU-PJCSamsonite : Ag4MnSb2S6

Samson Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Dimensions: 2 mm x 0.3 mm x 0.2 mm
Field of View: 2.1 mm
Largest Crystal Size: 2 mm

Small but very nice group of samsonite crystals measuring 2.0x0.3x0.2mm. No matrix present on this specimen. Magnification X200 using image stacking of 40 images at 5micron intervals. Specimen was a gift from Joy Desor.......thankyou Joy. Alan Barnes specimen and photo.
Photo ID: 588007     Uploaded by: Alan Barnes (2)   View Count: 339   Approval status: Public galleries    Type: Photo - 731 x 591 pixels (0.4 Mpix)

HR4-WP9Tetrahedrite : Cu6[Cu4(Fe,Zn)2]Sb4S13, Chalcopyrite : CuFeS2

Multiple photos available
Eagle Crag Mine, Patterdale, Eden, Cumbria, England, UK

Dimensions: 21 mm x 16 mm x 9 mm
Field of View: 11 mm
Largest Crystal Size: 3 mm

Group of dark lead grey crystals of tetrahedrite on a matrix of pale grey quartz. Associated is chalcopyrite which occurs as a dark brassy yellow inclusion in the quartz located in the bottom right hand side of the photograph. Alan Barnes specimen and photograph.
Photo ID: 582903     Uploaded by: Alan Barnes (2)   View Count: 231   Approval status: Public galleries    Type: Photo - 804 x 804 pixels (0.6 Mpix)
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