Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
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
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Luis Casinhas' Photo Gallery

T9H-8RWPyrite, Quartz

Poço Redondo Mine, Junceira, Tomar, Santarém, Portugal

Dimensions: 10 cm x 15 cm x 6 cm
Weight: 1228 g

Pyrite on Quartz
Self collected May 2014
Copyright: © Luís Casinhas 2014      Photo ID: 616457     Uploaded by: Luis Casinhas   View Count: 222   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)

88G-J97Baryte

Multiple photos available
Santa Justa Mine, Martim Longo, Alcoutim, Faro, Portugal

Dimensions: 6 cm x 6 cm x 7.5 cm
Largest Crystal Size: 2 cm
Weight: 635 g

Baryte specimen self collected on April 2013
Copyright: © Luís Casinhas 2013      Photo ID: 577485     Uploaded by: Luis Casinhas   View Count: 365   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)

CCJ-W1GUraninite

Urgeiriça Mines, Canas de Senhorim, Nelas, Viseu, Portugal

Dimensions: 4 cm x 2.5 cm x 3 cm
Weight: 47.4 g

Small sample containing black uranium oxides (Uraninite) and possibly Uranophane (yellow crust).
This sample weigths 47.4 grs and the dosimeter reads around 6 microSievert/h when placed about 1 cm from the sample.

Self collected in October 2007.

Luis Casinhas photo and specimen
Copyright: © Luis Casinhas photo and specimen 2012      Photo ID: 496931     Uploaded by: Luis Casinhas   View Count: 212   Approval status: Public galleries    Type: Photo - 816 x 612 pixels (0.5 Mpix)

KQ6-R0LAutunite

Multiple photos available
Nisa Uranium Mine, Nisa, Portalegre, Portugal

Dimensions: 5 cm x 4 cm x 3 cm

A small sample of alterated granite containing small crystals of Autunite, the small lemmon-yellow plaques, hardly visible in normal light but perfectly visible under UV light (please see the second photo of this sample).
Sample is slightly radioactive (up to 1 micro Sievert/hour) and is about 5x4x3 cm.
Luis Casinhas photo and specimen, self collected in December 2007.
Copyright: © Luis Casinhas 2007      Photo ID: 142984     Uploaded by: Luis Casinhas   View Count: 719   Approval status: Public galleries    Type: Photo - 653 x 490 pixels (0.3 Mpix)

513-FEQTorbernite

Nisa Uranium Mine, Nisa, Portalegre, Portugal

Dimensions: 2 cm x 5 cm x 3 cm

Another sample of Torbernite crystals over dark quartz, from the Nisa ore deposit.
The image FOV is about 2x2 cm and sample about 2x5x3 cm.
Although being a small sample, this specimen emits about 1 micro Sievert/hour (natural backgroud subtracted)
Luis Casinhas photo and specimen, self collected in December 2007
Copyright: © Luis Casinhas 2007      Photo ID: 142982     Uploaded by: Luis Casinhas   View Count: 482   Approval status: Public galleries    Type: Photo - 653 x 490 pixels (0.3 Mpix)

PA0-4U9Torbernite

Nisa Uranium Mine, Nisa, Portalegre, Portugal

Dimensions: 5 cm x 5 cm x 7 cm

Small Torbernite crystals from the Nisa Uranium ore deposit.
Image FOV is about 1.5x1.5 cm and the sample is about 5x5x7 cm
Luis Casinhas photo and specimen, self colected on December 2007
Copyright: © Luis Casinhas 2007      Photo ID: 142980     Uploaded by: Luis Casinhas   View Count: 530   Approval status: Public galleries    Type: Photo - 653 x 490 pixels (0.3 Mpix)

A detailed view of the Nisa ore deposit

Nisa Uranium Mine, Nisa, Portalegre, Portugal

A detailed view of the Nisa ore deposit site.
Photo taken in 31 December 2007
Copyright: © Luis Casinhas 2007      Photo ID: 142978     Uploaded by: Luis Casinhas   View Count: 670   Approval status: Public galleries    Type: Photo - 653 x 490 pixels (0.3 Mpix)

Panoranic south view of the Nisa ore deposit

Nisa Uranium Mine, Nisa, Portalegre, Portugal

This is an actual view of the Nisa uranium site occurence.
A walk around these fields with a Geiger-Muller detector shows readings in the range of 5 to 10 micro Sievert/hour (the normal equivalent dose of the natural radiation background is about 0.2 micro Sieverts/hour).
Photo taken in 31 December 2007
Copyright: © Luis Casinhas 2007      Photo ID: 142973     Uploaded by: Luis Casinhas   View Count: 399   Approval status: Public galleries    Type: Photo - 838 x 257 pixels (0.2 Mpix)

EHN-AUHAutunite

Multiple photos available
Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal

Photo 1A:
Small sample [4x1.5x2.5 cm] with nice Autunite crystals (image FOV: 1.5x1.5 cm)
The Autunite crystals are strongly fluorescent under UV light (see photo 1B, from the same sample, same author)
Luis Casinhas photo and specimen, December 2007
Copyright: © Luis Casinhas 2007      Photo ID: 138148     Uploaded by: Luis Casinhas   View Count: 747   Approval status: Public galleries    Type: Photo - 816 x 612 pixels (0.5 Mpix)

KGN-2KKPseudomalachite, Malachite

Miguel Vacas Mine, Conceição, Vila Viçosa, Évora, Portugal

Pseudomalachite with Libethenite micro-crystals.
Field of View is about 35x25mm.
Sample self-collected on April 2007.
Luis Casinhas specimen and photo.
Copyright: © Luis Casinhas 2007      Photo ID: 101999     Uploaded by: Luis Casinhas   View Count: 486   Approval status: Public galleries    Type: Photo - 816 x 612 pixels (0.5 Mpix)
Page 1 of 2 (1 to 10 of 14 total)
1 2

 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: July 22, 2019 23:57:39
Go to top of page