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Vasco Trancoso's Photo Gallery

283-LCUFluorite, Fluorapatite, Ferberite

Panasqueira Mines, Covilhã, Castelo Branco, Portugal

Dimensions: 120 mm x 65 mm x 40 mm
Largest Crystal Size: 2 cm

Small spheroidal aggregates of cubo-octahedral Fluorite lilac crystals. There are multiple translucent and bright light green to white Fluorapatite crystals. There is also a pefect 2cm Ferberite crystal standing on top with fluorite on a face.
The upper levels of Panasqueira offered during 2014 some novelties, with samples that are very different from what has been known before from this mine.
Minas da Panasqueira, level 0, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (2014).
Copyright: © Vasco Trancoso      Photo ID: 739592     Uploaded by: Vasco Trancoso   View Count: 163   Approval status: Public galleries    Type: Photo - 5718 x 5221 pixels (29.9 Mpix)


Multiple photos available
Moanda Mine, Moanda, Léboumbi-Leyou Department, Haut-Ogooué Province, Gabon

Dimensions: 13 cm x 10 cm x 5.5 cm
Field of View: 3 cm
Largest Crystal Size: 6 mm
Weight: 1168 g

Rhodochrosite. Now in Gail and Jim Spann Collection. I did not resisted to make myself another photo (full size) of this great specimen to bring more justice of its beauty. FOV : 3cm X 2cm. Total Size: 13 x 10 x 5.5 cm. Crystals to 6mm. 1168g. Outstanding piece. The colour is beautiful and it is very lustrous and sparkly. This specimen attracted quite a lot of attention at the 2008 St Marie show, and it is the best Gabon Rhodo that has been viewed for more than 30 years now! This one is now a world class and particularly good, not only for the coverage of crystals, but because the colour is so dark, red and rich. Normally they are paler or brown. Photo by Vasco Trancoso. Please see it in higher resolution.
Copyright: © Vasco Trancoso      Photo ID: 640859     Uploaded by: Vasco Trancoso   View Count: 1136   Approval status: Public galleries    Type: Photo - 3586 x 4354 pixels (15.6 Mpix)

EYV-F1YCassiterite, Muscovite

Multiple photos available
Rebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal

Cassiterite over Muscovite from Lagares - Rebentão (we can still see on the base of specimem an old label with locality - see child photo). Vasco Trancoso collection and photo. Size (overall): 6,5 X 3 X 4,3cm with supershinning twin crystals up to 1,5cm. Rare with this luster. This specimen was collected at the time of professor Alfredo Bensaúde (1856 —1941) that was a great portuguese mineralogist, engineer and university professor, reformer of technological education in Portugal in the early twentieth century. He was the founder and first director of the Instituto Superior Técnico (IST) in Lisbon, that integrates now the Museum of Mineralogy “Alfredo Bensaúde" where we can se other similar samples.
Photo ID: 433943     Uploaded by: Vasco Trancoso   View Count: 345   Approval status: Public galleries    Type: Photo - 2376 x 2416 pixels (5.7 Mpix)

4E2-1UAFluorapatite, Siderite, Tourmaline

Panasqueira Mines, Covilhã, Castelo Branco, Portugal

Bluish grey almost transparent fluorapatite crystal (1,2cm long) with tourmaline inclusions on top of siderite matrix. Very aesthetic. Vasco Trancoso collection and photo.
Photo ID: 277246     Uploaded by: Vasco Trancoso   View Count: 504   Approval status: Public galleries    Type: Photo - 3161 x 3054 pixels (9.7 Mpix)

7DC-D57Dolomite, Arsenopyrite

Panasqueira Mines, Covilhã, Castelo Branco, Portugal

Dimensions: 150 mm x 95 mm x 60 mm
Largest Crystal Size: 60 mm

Dolomite over Arsenopyrite, Vasco Trancoso collection and photo.
Interesting new (November 2009) Panasqueira find at Level 3. Great Dolomite crystals contrasting with Arsenopyrite matrix. Great aesthetics. Outstanding for locality.
Photo ID: 277119     Uploaded by: Vasco Trancoso   View Count: 1392   Approval status: Public galleries    Type: Photo - 2580 x 3252 pixels (8.4 Mpix)


Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Dimensions: 11.8 cm x 8.4 cm x 6.3 cm

Rhodochrosite. Vasco Trancoso collection and photo. Size: 11.8 x 8.4 x 6.3 cm.
Rhodochrosite from Brazil is very rare, and seldom seen. A small trickle of specimens has come out of this old manganese mine over the years. This is actually a rather large specimen for the locality.
Photo ID: 270349     Uploaded by: Vasco Trancoso   View Count: 689   Approval status: Public galleries    Type: Photo - 3349 x 3000 pixels (10.0 Mpix)


Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China

Dimensions: 12.4 cm x 6.9 cm x 2.2 cm

Gibbsite. Vasco Trancoso collection and photo. Size: 12.4 x 6.9 x 2.2 cm.
Stalactitic fingers of botryoidal,greenish-gray, gibbsite to 1.0 cm across, point skyward in an aesthetic manner. Unusually dramatic. Specimens were found in the summer of 2009. Previously, material from here came to market in the early days of Chinese mineral exports in the mid 1990s, and again in a trickle in 2006.
Photo ID: 270345     Uploaded by: Vasco Trancoso   View Count: 457   Approval status: Public galleries    Type: Photo - 2967 x 3000 pixels (8.9 Mpix)


Bennett Quarry, Buckfield, Oxford Co., Maine, USA

Dimensions: 0.5 cm x 0.4 cm x 0.4 cm

Rhodochrosite. Vasco Trancoso collection and photo. Size: 0.5 x 0.4 x 0.4 cm. Rhodochrosite is exceedingly rare to be found in such a fine crystal in gem pegmatites, like the famous Bennett Quarry in Maine. The color of this rhodochrosite crystal is a deep rose pink. It is both gemmy and lustrous and is a sharp scalenohedron. This is truly a rare! I believe it was found in the early 1990s - in any case, it was just a small pocket and even tiny crystals like this were treasured and hoarded by collectors...this is one of the rarest rhodo localities on the planet for the collector of that species, since so few are known to exist.
Photo ID: 270344     Uploaded by: Vasco Trancoso   View Count: 550   Approval status: Public galleries    Type: Photo - 2576 x 3000 pixels (7.7 Mpix)


Wilberforce area, Haliburton Co., Ontario, Canada

Dimensions: 4.4 cm x 2 cm x 0.5 cm

Fluororichterite- Vasco Trancoso collection and photo. Crystal: 4.4 x 2 x 0.5 cm. Well developed, perfect terminated crystal . Collected in 1981, ex Cassinelli collection, ex Galvani collection.
Photo ID: 263517     Uploaded by: Vasco Trancoso   View Count: 322   Approval status: Public galleries    Type: Photo - 2336 x 2992 pixels (7.0 Mpix)


Argentière Glacier, Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes, France

Pink Reddish octahedral Fluorite. Vasco Trancoso collection and photo. Size: 3 X 1,2 X 1,8 cm.
Photo ID: 261963     Uploaded by: Vasco Trancoso   View Count: 295   Approval status: Public galleries    Type: Photo - 4000 x 3000 pixels (12.0 Mpix)
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