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Agustin Agudo Espinosa's Photo Gallery

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: 17   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: 15   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: 24   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: 40   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: 161   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: 219   Approval status: Public galleries    Type: Photo - 730 x 1024 pixels (0.7 Mpix)

PQK-U5GCalcite : CaCO3

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

Dimensions: 40 mm x 55 mm x 22 mm

Calcite rhombohedron of exfoliation
sample collected and donated by Agustín Valgoma
Photo ID: 640621     Uploaded by: Agustin Agudo Espinosa   View Count: 175   Approval status: Public galleries    Type: Photo - 768 x 922 pixels (0.7 Mpix)

R31-X8XQuartz : SiO2

Tinnsjå, Notodden, Telemark, Norway

Field of View: 70 mm

Quartz crystals with growth forms called in "cathedral" consisting of the presence of many crystals grouped in parallel growth.
Sample purchased in the store "Naturens Mangfold" in the city of Oslo.
Photo ID: 638996     Uploaded by: Agustin Agudo Espinosa   View Count: 156   Approval status: Public galleries    Type: Photo - 1024 x 691 pixels (0.7 Mpix)

E1D-M75Quartz : SiO2

Hattfjelldal, Nordland, Norway

Dimensions: 45 mm x 20 mm x 16 mm

Quartz crystal as highly transparent with Dauphiné habit and the presence of faces of trigonal bipyramid ("S").
Sample purchased at the store of the Natural History Museum of Oslo.
Photo ID: 638980     Uploaded by: Agustin Agudo Espinosa   View Count: 132   Approval status: Public galleries    Type: Photo - 710 x 1024 pixels (0.7 Mpix)

X06-K8WK Feldspar, Quartz : SiO2

Hynnekleiv Pegmatite, Hynnekleiv, Froland, Aust-Agder, Norway

Dimensions: 7 cm x 9 cm x 4 cm

Fragment of a K-feldspar crystal in which sections Quartz crystals are observed.
Photo ID: 638118     Uploaded by: Agustin Agudo Espinosa   View Count: 176   Approval status: Public galleries    Type: Photo - 768 x 915 pixels (0.7 Mpix)
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