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Alan Barnes (2)'s Photo Gallery

ATA-3NVYeomanite, Calcite

Torr Works Quarry, Cranmore, Mendip, Somerset, England, UK

Dimensions: 41 mm x 17 mm x 17 mm
Field of View: 5 mm
Largest Crystal Size: 3 mm

An aggregate of white bladed crystals of yeomanite along with a small, upstanding aggregate of yeomanite sitting on a bed of colourless calcite crystals that, in turn, sit on an earthy black manganese oxide matrix. A second, much smaller aggregate shows a divergent spray of yeomanite crystals that bridge the gap between a slightly larger aggregate of yeomanite crystals measuring 8x4mm that are partially overgrown by a thin, colourless crust of calcite. Alan Barnes collection and photograph.
Photo ID: 931358     Uploaded by: Alan Barnes (2)   View Count: 45   Approval status: Public galleries    Type: Photo - 4487 x 3563 pixels (16.0 Mpix)

N5G-F29Somersetite, Hydrocerussite, Plumbonacrite

Torr Works Quarry, Cranmore, Mendip, Somerset, England, UK

Dimensions: 36 mm x 22 mm x 22 mm
Field of View: 21 mm
Largest Crystal Size: 12 mm

Stacked aggregate of minty green hexagonal platy crystals of somersetite some with whiteish inclusions of plumbonacrite sitting on a stack of white hydrocerussite crystals. Some of the crystals in the centre of the photo clearly show the hexagonal structure. The somersetite aggregate measures 10 x 9 x 5mm at the widest points (hydrocerussite not included in this measurement). Close to the top of the somersetite aggregate are two microscopic orange-yellow granular crystals of an unidentified mineral. Photo taken using 136 images stacked using Helicon Focus Pro and using a Canon EOS 80D camera with Canon 55-250mm lens. Specimen as a whole measures 36 x 22 x 22mm. Alan Barnes collection and photograph.
Photo ID: 930028     Uploaded by: Alan Barnes (2)   View Count: 53   Approval status: Public galleries    Type: Photo - 3500 x 2842 pixels (9.9 Mpix)

EKM-T16Whiteite-(CaFeMg), Lazulite, Quartz

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: 72   Approval status: Public galleries    Type: Photo - 1968 x 1786 pixels (3.5 Mpix)

9UW-H1VHilarionite

Hilarion Mine, Hilarion area, Kamariza Mines, Agios Konstantinos [St Constantine], Lavrion District Mines, Lavreotiki, East Attica, Attica, 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: 104   Approval status: Public galleries    Type: Photo - 2135 x 1829 pixels (3.9 Mpix)

N5K-D37Ellingsenite, Aegirine, Villiaumite

Aris Quarries, Aris, Windhoek Rural, 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: 106   Approval status: Public galleries    Type: Photo - 908 x 808 pixels (0.7 Mpix)

N8D-YACStrontioginorite, Gypsum

Kohnstein Quarry, Harztor, Nordhausen, 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: 104   Approval status: Public galleries    Type: Photo - 611 x 477 pixels (0.3 Mpix)

0FT-1L8Macaulayite

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: 382   Approval status: Public galleries    Type: Photo - 1631 x 1225 pixels (2.0 Mpix)

8L0-F13Fluorite, Galena

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: 131   Approval status: Public galleries    Type: Photo - 2771 x 2257 pixels (6.3 Mpix)

WE2-HKWTrembathite

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: 261   Approval status: Public galleries    Type: Photo - 1404 x 1169 pixels (1.6 Mpix)

C44-21TSmolyaninovite, Erythrite

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: 264   Approval status: Public galleries    Type: Photo - 1844 x 1605 pixels (3.0 Mpix)
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