Donate now to keep mindat.org alive!Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Agustin Agudo Espinosa's Photo Gallery

FPL-5DPNepheline : NaAlSiO4, 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: 18   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: 149   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: 201   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: 160   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: 140   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: 116   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: 164   Approval status: Public galleries    Type: Photo - 768 x 915 pixels (0.7 Mpix)

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

Sørøyane Islands, Ulsteinvik, Ulstein, 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: 207   Approval status: Public galleries    Type: Photo - 764 x 1024 pixels (0.8 Mpix)

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

Multiple photos available
Altenberg, Erzgebirge, 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: 125   Approval status: Public galleries    Type: Photo - 778 x 768 pixels (0.6 Mpix)

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

Landsverk 1 Feldspar Quarry, Landsverk, Evje og Hornnes, Aust-Agder, Norway

Field of View: 70 cm

Framework of laminar crystals of Muscovite
Photo ID: 636343     Uploaded by: Agustin Agudo Espinosa   View Count: 118   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)
Page 1 of 64 (1 to 10 of 633 total)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 16, 2018 19:35:00
Go to top of page