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Agustin Agudo Espinosa's Photo Gallery

A73-53XAragonite CaCO3

Multiple photos available
08040430015389268764914.jpg
Linz am Rhein, Neuwied District, Rhineland-Palatinate, Germany

Dimensions: 80 mm x 40 mm x 35 mm

Group of prismatic crystals of Aragonite in radial growth.
According to the old label of B. Stürtz the crystals were in basalt, which suggests that it comes exactly from Dattenberg Quarry.
Size 80x40x35 mm
Photo ID: 913140     Uploaded by: Agustin Agudo Espinosa   View Count: 35   Approval status: Public galleries    Type: Photo - 2100 x 3094 pixels (6.5 Mpix)

Q3H-0Q1Quartz SiO2

Multiple photos available
07640310015389172685668.jpg
Boyala lode, China River District, Tolima Department, Colombia

Dimensions: 55 mm x 35 mm x 25 mm

Pair of quartz crystals in parallel growth and lamellar structure with numerous internal growth inclusions (Quartz window).
Size 55x35x25 mm
Photo ID: 913117     Uploaded by: Agustin Agudo Espinosa   View Count: 45   Approval status: Public galleries    Type: Photo - 2786 x 3322 pixels (9.3 Mpix)

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

Multiple photos available
07122020015307178464348.jpg
Saalfeld-Rudolstadt District, 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: 54   Approval status: Public galleries    Type: Photo - 892 x 632 pixels (0.6 Mpix)

7WY-GC6Chalcopyrite CuFeS2

Multiple photos available
08513040015302989197407.jpg
Prinzenstein Mine, Wellmich, Sankt Goarshausen, Loreley, Rhein-Lahn District, 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: 89   Approval status: Public galleries    Type: Photo - 701 x 1057 pixels (0.7 Mpix)

U4R-8K1Calcite CaCO3

Multiple photos available
02916390015296776076189.jpg
Alnö Complex, Sundsvall, Västernorrland County, 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: 74   Approval status: Public galleries    Type: Photo - 720 x 1086 pixels (0.8 Mpix)

2RG-5QDChalcopyrite CuFeS2

Multiple photos available
01686820015294337229846.jpg
Sinjakovo Mine, Jezero, Republika 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: 79   Approval status: Public galleries    Type: Photo - 672 x 914 pixels (0.6 Mpix)

18N-3UWChalcopyrite CuFeS2 , Quartz SiO2

Multiple photos available
02928640015289141426244.jpg
Kelchalpe Cu Deposit, Aurach bei Kitzbühel, Kitzbühel District, 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: 106   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

09834980015168191672862.jpg
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: 73   Approval status: Public galleries    Type: Photo - 2420 x 3793 pixels (9.2 Mpix)

H6T-2JTTalc Mg3Si4O10(OH)2

07900290015153579317080.jpg
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: 70   Approval status: Public galleries    Type: Photo - 2487 x 2329 pixels (5.8 Mpix)

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

02862480015153421814176.jpg
Saga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Vestfold og 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: 140   Approval status: Public galleries    Type: Photo - 3888 x 2592 pixels (10.1 Mpix)

XVY-WXHQuartz SiO2

02110170014947761927132.jpg
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: 238   Approval status: Public galleries    Type: Photo - 768 x 996 pixels (0.8 Mpix)

F3M-GFPCalcite CaCO3

04485510014947761923461.jpg
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: 267   Approval status: Public galleries    Type: Photo - 730 x 1024 pixels (0.7 Mpix)

PQK-U5GCalcite CaCO3

08143390014947258571891.jpg
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: 211   Approval status: Public galleries    Type: Photo - 768 x 922 pixels (0.7 Mpix)

R31-X8XQuartz SiO2

01659310014946995435260.jpg
Tinnsjøvegen, Notodden, Vestfold og 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: 185   Approval status: Public galleries    Type: Photo - 1024 x 691 pixels (0.7 Mpix)

E1D-M75Quartz SiO2

06939610014947761924915.jpg
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: 157   Approval status: Public galleries    Type: Photo - 710 x 1024 pixels (0.7 Mpix)

X06-K8WK Feldspar, Quartz SiO2

09347370014947761921077.jpg
Hynnekleiv Pegmatite, Hynnekleiv, Froland, 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: 268   Approval status: Public galleries    Type: Photo - 768 x 915 pixels (0.7 Mpix)

54R-AXUGarnet Group X3Z2(SiO4)3 , Kyanite Al2(SiO4)O , Omphacite (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6

01593840014947761938236.jpg
Sørøyane, Herøy, Møre og Romsdal, Norway

Dimensions: 13 cm x 10 cm x 3 cm

Mass polished of Eclogite formed by numerous crystals of garnet (Almandine- Pyrope) included in a matrix of pyroxene (Omphacite) and Kyanite.
Photo ID: 638108     Uploaded by: Agustin Agudo Espinosa   View Count: 320   Approval status: Public galleries    Type: Photo - 764 x 1024 pixels (0.8 Mpix)

ERP-NMLWolframite (Fe2+)WO4 to (Mn2+)WO4

Multiple photos available
03975870014947761937094.jpg
Altenberg, Sächsische Schweiz-Osterzgebirge, Saxony, Germany

Dimensions: 9 cm x 8 cm x 7 cm

Heavy mass of Wolframite formed by tabular crystals in parallel growth.
Note the fine layer of mica which is part of the wall of the vein and like the crystals of Wolframite are placed perpendicular to it.
Sample from the collection of the Philadelphia Academy of Natural Sciences, and formed part of the donation made ​​by the Franklin Institute.
Photo ID: 638106     Uploaded by: Agustin Agudo Espinosa   View Count: 184   Approval status: Public galleries    Type: Photo - 778 x 768 pixels (0.6 Mpix)

PEN-1CDGalena PbS

00427760015153524685651.jpg
Bere Alston Mines, Bere Ferrers, West Devon, Devon, England, UK

Dimensions: 9 cm x 7 cm

Ancient ore sample formed mainly by fine grained Galena associated to possible Tennantite.
From the collection of the Philadelphia Academy of Natural Sciences and forming part of the specimens donated by Dr. Thomas B. Wilson (1807-1865).
Photo ID: 638104     Uploaded by: Agustin Agudo Espinosa   View Count: 31   Approval status: User gallery only    Type: Photo - 1024 x 637 pixels (0.7 Mpix)

4K3-FYMMuscovite KAl2(AlSi3O10)(OH)2

08446750014961667687715.jpg
Landsverk 1 Feldspar Quarry, Landsverk, Evje og Hornnes, Agder, Norway

Field of View: 70 cm

Framework of laminar crystals of Muscovite
Photo ID: 636343     Uploaded by: Agustin Agudo Espinosa   View Count: 196   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)
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