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Agustin Agudo Espinosa's Photo Gallery

597-FGMChamosite : (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8

Multiple photos available
Saalfeld, Thuringia, Germany

Dimensions: 60 mm x 45 mm x 20 mm

Dense mass of Chamosite (Thuringite variety).
Sample from the Academy of Natural Sciences of Philadelphia (No. 18747)
and of the collection donated to this Institution by the merchant and collector Edward Darling Drow (1861-1919) son of the collector William Appleton Drown.
Most likely this sample actually comes from the collection of the father as indicated by the accompanying label.
Photo ID: 897496     Uploaded by: Agustin Agudo Espinosa   View Count: 15   Approval status: Public galleries    Type: Photo - 892 x 632 pixels (0.6 Mpix)

7WY-GC6Chalcopyrite : CuFeS2

Multiple photos available
Prinzenstein Mine, Wellmich, St Goarshausen, Taunus, Rhineland-Palatinate, Germany

Dimensions: 6 mm x 6 mm x 5 mm
Largest Crystal Size: 6 mm

Isolated crystal of Chalcopyrite (Kupferkies) in its original assembly.
It is a typical tetragonal disphenoid crystal with possible presence of tetragonal dipyramid.
It comes from the famous German dealer Wilhelm Maucher (1879-1930)
Photo ID: 896838     Uploaded by: Agustin Agudo Espinosa   View Count: 21   Approval status: Public galleries    Type: Photo - 701 x 1057 pixels (0.7 Mpix)

U4R-8K1Calcite : CaCO3

Multiple photos available
Alnö, Sundsvall, Medelpad, Sweden

Dimensions: 80 mm x 80 mm x 40 mm

Calcite mass with the typical exfoliation and in which it is observed an alternation of dark minerals probably Aegirine and Diopside together with some Cancrinite (unconfirmed).
The sample surely comes from a Ca-Carbonatite Pegmatite. [Probably as a sample of the rock locally named as søvite pegmatite]
Ex. Dr F. Krantz.
Photo ID: 896062     Uploaded by: Agustin Agudo Espinosa   View Count: 17   Approval status: Public galleries    Type: Photo - 720 x 1086 pixels (0.8 Mpix)

2RG-5QDChalcopyrite : CuFeS2

Multiple photos available
Sinjakovo Mine, Jajce, Banja Luka, Republic of Srpska, Bosnia and Herzegovina

Dimensions: 90 mm x 70 mm x 70 mm

Chalcopyrite mass with colored areas with the typical purple and blue shades
Ex collection of Hans Jaklin.
Photo ID: 895883     Uploaded by: Agustin Agudo Espinosa   View Count: 8   Approval status: Public galleries    Type: Photo - 672 x 914 pixels (0.6 Mpix)

18N-3UWChalcopyrite : CuFeS2, Quartz : SiO2

Multiple photos available
Kelch Alp, Kitzbühel, Kitzbühel Alps, North Tyrol, Tyrol, Austria

Dimensions: 80 mm x 60 mm x 25 mm

Massive Chalcopyrite with some Quartz gangue.
From the collection of Hans Jaklin.
Photo ID: 895250     Uploaded by: Agustin Agudo Espinosa   View Count: 24   Approval status: Public galleries    Type: Photo - 2716 x 2969 pixels (8.1 Mpix)

EA3-XPYSerpentine Subgroup : D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

Serpentinite quarry, Chämleten, Hospental, Urseren, Uri, Switzerland

Dimensions: 16 cm x 4 cm x 3 cm

Columnar aggregate (Picrolite) with the classic silky appearance.
Ex. Collection by Edgar Franz.
Size 16x4x3 cm.
Photo ID: 866880     Uploaded by: Agustin Agudo Espinosa   View Count: 21   Approval status: Public galleries    Type: Photo - 2420 x 3793 pixels (9.2 Mpix)

H6T-2JTTalc : Mg3Si4O10(OH)2

Hospental, Urseren, Uri, Switzerland

Dimensions: 9 cm x 6 cm x 3 cm

Foliate mass forming a vein in schist.
Size 9x6x3 cm.
From the collection of Edgar Franz-Freiberg (No. 294)
Photo ID: 864307     Uploaded by: Agustin Agudo Espinosa   View Count: 29   Approval status: Public galleries    Type: Photo - 2487 x 2329 pixels (5.8 Mpix)

FPL-5DPNepheline : Na3K(Al4Si4O16), Albite : Na(AlSi3O8)

Saga 1 Quarry, Sagåsen, Mørje, Porsgrunn, Telemark, Norway

Dimensions: 14 cm x 10 cm x 5 cm
Largest Crystal Size: 5 cm

Specimen of Nepheline in the form of large crystals included in Albite, with the typical resinous shine (Elaeolite).
Observe the reaction edge in the form of a small pink band around the crystals formed by a mixture of several minerals probably among others Natrolite and Analcime.
size of the piece 14 x10 x 5 cm
Magnificent piece collected in 1992.
Ex collection of Michael Krause.
Photo ID: 864188     Uploaded by: Agustin Agudo Espinosa   View Count: 48   Approval status: Public galleries    Type: Photo - 3888 x 2592 pixels (10.1 Mpix)

XVY-WXHQuartz : SiO2

Iron Mines, Alonsotegi, Vizcaya, Basque Country, Spain

Dimensions: 6 cm x 8 cm x 4 cm

Grouping of crystals of Quartz var. Milky Quartz.
Larger crystals exhibit growth, in the form of artichoke.
Photo ID: 641609     Uploaded by: Agustin Agudo Espinosa   View Count: 170   Approval status: Public galleries    Type: Photo - 768 x 996 pixels (0.8 Mpix)

F3M-GFPCalcite : CaCO3

Iceland Spar Mines, Artaun, Dima, Vizcaya, Basque Country, Spain

Dimensions: 40 mm x 55 mm x 35 mm

Calcite rhombohedron of exfoliation
sample collected and donated by Agustín Valgoma
Photo ID: 640622     Uploaded by: Agustin Agudo Espinosa   View Count: 225   Approval status: Public galleries    Type: Photo - 730 x 1024 pixels (0.7 Mpix)
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