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Feldspar Group from

KYT-K0VFeldspar Group

08200340017272257474861.jpg
Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal

Dimensions: 4.5 cm x 2 cm x 2 cm

Clear yellow crystal with 4,5x2x2cm - Self-collected in March of 2006
Copyright: © Photo & Collection of Martins da Pedra      Photo ID: 72237     Uploaded by: António Manuel Ináçio Martins   Approval date: 2006-08-31   View Count: 674   Approval status: Public galleries    Type: Photo - 740 x 531 pixels (0.4 Mpix)

R27-CAWFeldspar Group

06982500017272257429568.jpg
Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal

Approx, size 7 mm Collection of the Nuno Miguel Santos
Photo ID: 236930     Uploaded by: Miguel Castro (2)   Approval date: 2009-06-19   View Count: 280   Approval status: Public galleries    Type: Photo - 737 x 491 pixels (0.4 Mpix)

MED-G1NFeldspar Group, Quartz SiO2

01176990017272006578314.jpg
Nossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal

Dimensions: 17 cm x 11 cm x 11 cm

Feldspar with smoky quartz - crystalline grouping with 17x11x11cm - May of 2005
Copyright: © photo and collection of Martins da Pedra      Photo ID: 39841     Uploaded by: António Manuel Ináçio Martins   Approval date: 2005-10-25   View Count: 914   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

WDG-0RGFeldspar Group

01983420017272006592418.jpg
Nossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal

Dimensions: 7 cm x 5.5 cm x 3.5 cm

Crystal with 7x5,5x3,5cm - May of 2005
Copyright: © Photo & Collection of Martins da Pedra      Photo ID: 41037     Uploaded by: António Manuel Ináçio Martins   Approval date: 2005-11-09   View Count: 717   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

LQH-N2PFeldspar Group

09888740017375183942414.jpg
Nossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal

Dimensions: 8.5 cm x 3.5 cm x 3.5 cm

Crystal with 8,5x3,5x3,5cm - May of 2005
Copyright: © Photo & Collection of Martins da Pedra      Photo ID: 41038     Uploaded by: António Manuel Ináçio Martins   Approval date: 2005-11-09   View Count: 722   Approval status: Public galleries    Type: Photo - 480 x 640 pixels (0.3 Mpix)

MQQ-5L1Feldspar Group, Quartz (Var: Smoky Quartz) SiO2

Multiple photos available
01435040017272320794118.jpg
Carris Mines, Cabril, Montalegre, Vila Real, Portugal

Field of View: 13 cm

Holding a specimen like this is always a delightful moment: a feldspar crystal adorned with smoky quartz crystals. This particular piece is quite special, with its origins dating back to 1911, and it's now a part of the Carris mineral collection at the Museu Alfredo Bensaúde, IST, Lisbon.
Rui Nunes' photo, March 2017.
Copyright: © Rui Nunes 2017      Photo ID: 810453     Uploaded by: Rui Nunes   Approval date: 2017-03-15   View Count: 312   Approval status: Public galleries    Type: Photo - 850 x 638 pixels (0.5 Mpix)

UW3-EQ2Feldspar Group

07235520017272730837700.jpg
Borrageiro Mine, Cabril, Montalegre, Vila Real, Portugal

Dimensions: 3 cm x 2 cm x 1.5 cm

Crystal with 3x2x1,5cm on matrix with 7x4,5x4,5cm - September of 1996
Copyright: © Photo & Collection of Martins da Pedra      Photo ID: 41027     Uploaded by: António Manuel Ináçio Martins   Approval date: 2005-11-09   View Count: 1032   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

JG5-U2UFeldspar Group

04895610017272075123478.jpg
Borrageiro Mine, Cabril, Montalegre, Vila Real, Portugal

Dimensions: 4 cm x 3.5 cm x 3 cm

Crystal with 4x3,5x3cm - February of 2006
Copyright: © Photo & Collection of Martins da Pedra      Photo ID: 58758     Uploaded by: António Manuel Ináçio Martins   Approval date: 2006-04-23   View Count: 731   Approval status: Public galleries    Type: Photo - 452 x 454 pixels (0.2 Mpix)

YL4-KNFFeldspar Group, Quartz (Var: Smoky Quartz) SiO2 , Plagioclase (Na,Ca)[(Si,Al)AlSi2]O8

00239300017366849618877.jpg
Borrageiro Mine, Cabril, Montalegre, Vila Real, Portugal

Dimensions: 120 mm x 130 mm x 65 mm
Largest Crystal Size: 25 mm

Feldspato (rosa salmão)
Quartzo fumado
Albite ( branco)
Photo ID: 1053978     Uploaded by: Hugo Lobo   Approval date: 2020-05-24   View Count: 117   Approval status: Public galleries    Type: Photo - 4272 x 2848 pixels (12.2 Mpix)

NY6-7YNFeldspar Group, Quartz (Var: Smoky Quartz) SiO2

08663280017366849622381.jpg
Borrageiro Mine, Cabril, Montalegre, Vila Real, Portugal

Dimensions: 40 mm x 60 mm x 40 mm
Largest Crystal Size: 12 mm

Photo ID: 1053979     Uploaded by: Hugo Lobo   Approval date: 2020-05-24   View Count: 121   Approval status: Public galleries    Type: Photo - 4272 x 2848 pixels (12.2 Mpix)
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