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

Geraldo Alvim's Photo Gallery

9V4-V96Tourmaline : A(D3)G6(T6O18)(BO3)3X3Z, Albite : Na(AlSi3O8)

Coronel Murta, Minas Gerais, Brazil

Dimensions: 4.5 cm x 3 cm x 2.7 cm

Green Tourmaline on Albite, 4.5 x 3 x 2.7 cm. This piece was a good find; image very well done and with good color. Photographed by Geraldo Alvim.
Copyright: © Geraldo Alvim      Photo ID: 282848     Uploaded by: Geraldo Alvim   View Count: 183   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

KH3-6YYCassiterite : SnO2, Albite : Na(AlSi3O8)

Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Dimensions: 5.5 cm x 3 cm x 2.8 cm

Mineral collected by Geraldo Alvim. 5.5 x 3 x 2.8 cm. Photographed by Geraldo Alvim.
Copyright: © Geraldo Alvim      Photo ID: 282845     Uploaded by: Geraldo Alvim   View Count: 279   Approval status: Public galleries    Type: Photo - 768 x 1024 pixels (0.8 Mpix)

KFH-YH1Desert Rose

Samalayuca Desert, Mun. de Ahumada, Chihuahua, Mexico

Dimensions: 4 cm x 5 cm x 8 cm

Sample crystals 4x5x8cm. Geraldo Alvim
Copyright: © Geraldo Alvim      Photo ID: 232825     Uploaded by: Geraldo Alvim   View Count: 375   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

M3M-0N7Beryl (Var: Red Beryl) : Be3Al2Si6O18

Wah Wah Mts, Beaver Co., Utah, USA

A well developed, gemmy, 7 mm red beryl crystal perched in rhyolite matrix. Collection and photo: Geraldo Alvim
Copyright: © Geraldo Alvim      Photo ID: 232824     Uploaded by: Geraldo Alvim   View Count: 258   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

WQK-CD0Siderite : FeCO3, Dolomite : CaMg(CO3)2

Vicente Marinho quarry, Mantena, Minas Gerais, Brazil

Dimensions: 5 cm x 5 cm x 3 cm

Siderite crystal (dark) of 2.8 cm on Dolomite matrix. Overall size 5x5x3cm. Geraldo Alvim
Copyright: © Geraldo Alvim      Photo ID: 232823     Uploaded by: Geraldo Alvim   View Count: 238   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

42G-CXWCalcite : CaCO3

Rio Grande do Sul, Brazil

Dimensions: 8 cm x 5 cm x 4 cm

Calcite 8x5x4 cm. Photo & Collection Geraldo Alvim.
Copyright: © Geraldo Alvim      Photo ID: 158717     Uploaded by: Geraldo Alvim   View Count: 351   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

LWC-NGKCalcite : CaCO3

Pedreira do Vidro quarry, Moita do Poço, Turquel, Alcobaça, Leiria District, Portugal

Dimensions: 9 cm x 5 cm x 5 cm

Golden Calcite, doubly terminated. 9x5x5 cm. Geraldo Alvim Photo and Collection.
Copyright: © Geraldo Alvim      Photo ID: 158716     Uploaded by: Geraldo Alvim   View Count: 308   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

R26-923Chrysotile : Mg3(Si2O5)(OH)4

Gualba quarries, Gualba, Vallès Oriental, Barcelona, Catalonia, Spain

Green chrysotile. Size of specimen - 4 cm.
Copyright: © Geraldo Alvim      Photo ID: 158713     Uploaded by: Geraldo Alvim   View Count: 495   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

FU6-PLGAzurite : Cu3(CO3)2(OH)2, Malachite : Cu2CO3(OH)2

Seabra, Bahia, Brazil

Dimensions: 10 mm x 7 mm

Size: 10 x 7 x 3.5 cm

Collection and photo: Geraldo Alvim
Copyright: © Geraldo Alvim      Photo ID: 158712     Uploaded by: Geraldo Alvim   View Count: 377   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)

QG5-2A8Nontronite : Na0.3Fe2((Si,Al)4O10)(OH)2·nH2O

Jaime Pacheco claim, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Greenish, dusty nontronite aggregate and quartz.
Overall size:15x11x9cm. Geraldo Alvim collection and photo.
Copyright: © Geraldo Alvim      Photo ID: 158711     Uploaded by: Geraldo Alvim   View Count: 675   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)
Page 1 of 3 (1 to 10 of 21 total)
1 2 3

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 21, 2018 14:58:09
Go to top of page