Reference Specimens
Portugal - Panasqueira

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Photos by Fabre Minerals. Under Creative Commons license

This page provides a selection of the specimens that have passed through the Fabre Minerals website and, due to their quality,
rarity, or significance as specimens from interesting locations, have been preserved as reference specimens in #MVM


Baryte
Baryte. Photo: Joaquim Callén
Photo: Joaquim Callén
Baryte  

HM110NF: Group of tabular Baryte crystals, one of them clearly dominant, transparent, shiny, with a slightly smoky color and abundant inclusions. Of good quality for this Portuguese locality which is little known to collectors.
Feitais deposit, Aljustrel, Beja District, Baixo Alentejo, Alentejo  Portugal (2019)

Specimen size: 6 × 4.7 × 2.4 cm = 2.36” × 1.85” × 0.94”

Main crystal size: 4.3 × 2.8 cm = 1.69” × 1.10”

Corkite on Plumbogummite
 

MG64AG3: Coatings of very well defined micro-crystals of Corkite, a rare lead and iron sulfate-phosphate. They have an olive-green color, are very bright and are implanted on a clearer grayish-green Plumbogummite and on a limonite matrix.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 64 in number 2017/2
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Área Metropolitana de Lisboa Region  Portugal (2016-2017)

Specimen size: 6.1 × 5.4 × 4.6 cm = 2.40” × 2.13” × 1.81”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”

Corkite on Plumbogummite. Corkite on Plumbogummite.
Corkite with Plumbogummite
Corkite with Plumbogummite. Corkite with Plumbogummite.
 

MJ36AJ5: Corkite microcrystals whose color is between brown and olive green, with Plumbogummite growths that are brown with orange and blue shades. On a matrix of botryoidal Goethite.
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Área Metropolitana de Lisboa Region  Portugal (2016-2017)

Specimen size: 7 × 4.8 × 5.4 cm = 2.76” × 1.89” × 2.13”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”

Corkite on Goethite
 

MB36AJ5: Small flattened dipyramidal Corkite crystals with a pale brown color on a matrix of botryoidal Goethite.
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Área Metropolitana de Lisboa Region  Portugal (2016-2017)

Specimen size: 8.4 × 5.6 × 3.4 cm = 3.31” × 2.20” × 1.34”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”

Corkite on Goethite. Corkite on Goethite.
Corkite with Plumbogummite
Corkite with Plumbogummite. Corkite with Plumbogummite.
 

ME12AM2: Coatings of very sharp and lustrous microcrystals of Corkite, a rare sulfate-phosphate of lead and iron, of olive-green color, implanted on greyish green plumbogummite that is somewhat lighter than the Corkite, on a Goethite - limonite matrix.
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Área Metropolitana de Lisboa Region  Portugal (2016-2017)

Specimen size: 9.3 × 3.9 × 4.1 cm = 3.66” × 1.54” × 1.61”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”

Fluorite
Fluorite  

NA47AH2: Cubic crystal with two very well differentiated growth phases, the first one a cubic nucleus with a very deep violet color, and a second, a peripheral polycrystalline growth, transparent and with sky blue color. The sample is from the collection of Pedro Alves, the author of the article “Vale das Gatas Mining District” in the Mineral Up magazine (2017/1). We’ll send the collection label to the buyer.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 1.7 × 1.6 × 1.3 cm = 0.67” × 0.63” × 0.51”

Fluorite.
Fluorite
Fluorite.
Fluorite  

NB67AH2: Polycrystalline growth of cubic crystals finely beveled by the dodecahedron. They are transparent and with a sky-blue color with irregular areas with a deep violet color. The sample is from the collection of Pedro Alves, the author of the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1). We’ll send the collection label to the buyer.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 2.2 × 1.6 × 1.4 cm = 0.87” × 0.63” × 0.55”

Fluorite with Quartz and Muscovite
Fluorite with Quartz and Muscovite  

NE88AH2: Polycrystalline growth of Fluorite crystals clearly beveled by the dodecahedron. They are transparent, bright, have a very intense sky-blue color and are on Quartz matrix, with small Muscovite blades. The sample is from the collection of Pedro Alves, the author of the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1). We’ll send the collection label to the buyer.
This specimen was published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 49, May 7, 2018 edition.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 2.7 × 2.7 × 2.8 cm = 1.06” × 1.06” × 1.10”

Fluorite with Quartz and Muscovite.
Fluorite with Quartz
Fluorite with Quartz. Front
Front
Fluorite with Quartz. Side
Side
Fluorite with Quartz  

NL28AH4: Polycrystalline growth of Fluorite crystal cubes beveled by the dodecahedron. They are transparent, bright and have a very intense sky-blue color and a central nucleus with a very deep violet color and are on a Quartz matrix.
The sample is from the mineral collection of Pedro Alves, the author of the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1). We’ll send the collection label to the buyer.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 3.3 × 2.3 × 2.3 cm = 1.30” × 0.91” × 0.91”

Main crystal size: 1.9 × 1.5 cm = 0.75” × 0.59”

Fluorite
Fluorite  

NG49AH2: Polycrystalline growth of Fluorite crystals clearly beveled by the dodecahedron. They are transparent, bright and have a very intense sky-blue color and a central nucleus with a very deep violet color. A picture of this sample has been published in the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1, pg. 23), and it is from the collection of Pedro Alves, the article’s author, whose samples have been used to illustrate it. We’ll send the collection label to the buyer.
Vinheiros Mine, level 4, Vale das Gatas mining group, Sabrosa, Vila Real District, Norte Region  Portugal (08/2011)

Specimen size: 3.6 × 2.9 × 2.2 cm = 1.42” × 1.14” × 0.87”

Minor fluorescence long & short UV
Fluorite.
Fluorite with Quartz and Chlorite
Fluorite with Quartz and Chlorite. Front
Front
Fluorite with Quartz and Chlorite. Side
Side
Fluorite with Quartz and Chlorite. Fluorite with Quartz and Chlorite.
Fluorite with Quartz and Chlorite  

NC97AH2: Very sharp Fluorite crystal cubes. They are transparent and colorless but with deeply violet colored areas mainly concentrated on the edges. The Fluorite has grown on a doubly terminated and complete Quartz crystal. A picture of this sample has been published in the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1, pg. 35), and it is from the collection of Pedro Alves, the article’s author, whose samples have been used to illustrate it. We’ll send the collection label to the buyer.
Pontinha 3 Mine, Vale das Gatas Mine group, Sabrosa, Vila Real District, Norte Region  Portugal (03/2012)

Specimen size: 3.7 × 2.2 × 1.4 cm = 1.46” × 0.87” × 0.55”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”

Minor fluorescence long & short UV
Fluorite
Fluorite  

ND96AH2: A crystal with polycrystalline growths and rich with skeletal and dissolution shapes, translucent, bright, and with a very intense and deep violet color. We note the scarcity of samples from the Codeceira mine. A picture of this sample has been published in the article “Vale das Gatas Mining District” in Mineral Up magazine (2017/1, pg. 21), it is from the collection of Pedro Alves, the article’s author, whose samples have been used to illustrate it. We’ll send the collection label to the buyer.
Codeceira Mine, Vale das Gatas Mine group, Sabrosa, Vila Real District, Norte Region  Portugal

Specimen size: 2.2 × 2 × 1.6 cm = 0.87” × 0.79” × 0.63”

Fluorite.
Doubly terminated Cassiterite
Doubly terminated Cassiterite. Front
Front
Doubly terminated Cassiterite. Rear
Rear
Doubly terminated Cassiterite. Top
Top
 

AE47Z1: Complete, untwinned, floater crystals showing the very well defined faces of two prisms and a dipyramid. The sample is from a known but very little disclosed Portuguese locality from which there have been scarce pieces of this quality.
Boticas, Vila Real District, Alto Trás-os-Montes, Norte Region  Portugal (1987-2013)

Specimen size: 2.8 × 2.6 × 2.7 cm = 1.10” × 1.02” × 1.06”

Former collection of Alain Martaud
Hureaulite with Phosphosiderite and Rockbridgeite
 

TLM66XXX: Group of cream-orange Hureaulite tabular crystals on massive Quartz matrix, with violet Phosphosiderite crystals, especially visible on the back side, and dark Rockbridgeite crystals that provide an interesting color contrast to the whole specimen.
The specimen comes from a very particular locality: the small Bendada mines in Portugal, where pegmatitic veins associated with phosphates and silicates are found.
Bendada Mines, Bendada, Sabugal, Guarda District, Centro Region  Portugal

Specimen size: 9.5 × 7.4 × 5.0 cm = 3.74” × 2.91” × 1.97”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”

Former collection of Ángel Roldán

Quartz
Quartz.
 

AA59Y8: Curious tubular Quartz growing with twists and curves whose surface is coated by small white crystals. The sample is from a locality that is very little known on the international collecting circuits.
Mina da Senhora da Assunção, Aldeia Nova, Sátão, Viseu  Portugal (2011)

Specimen size: 6.5 × 1.5 × 2.3 cm = 2.56” × 0.59” × 0.91”

Former collection of Alain Martaud
Pseudomalachite with Quartz
 

AD6Z1: Botryoidal and microcrystalline growths of this relatively rare phosphate. They have a very deep and uniform color, are brighter than usual and they are on a Quartz matrix.
Miguel Vacas Mine, Pardais and Conceição Parish, Vila Viçosa, Évora District, Alentejo Central Province, Alentejo Region  Portugal (±1980)

Specimen size: 6.5 × 6.3 × 5.7 cm = 2.56” × 2.48” × 2.24”

Former collection of Alain Martaud
Pseudomalachite with Quartz. Pseudomalachite with Quartz.
Pseudomalachite
Pseudomalachite. Front
Front
Pseudomalachite. Side
Side
 

N6AI7: Botryoidal and microcrystalline growths on matrix of this relatively rare phosphate. Its green color is quite variable, darker when more crystalline. The specimen is very rich in Pseudomalachite.
Miguel Vacas Mine, Pardais and Conceição Parish, Vila Viçosa, Évora District, Alentejo Central Province, Alentejo Region  Portugal (1997)

Specimen size: 10.3 × 8 × 6.5 cm = 4.06” × 3.15” × 2.56”

Twinned Calcite
 

AM47Z0: Aggregate of twinned and complex Calcite crystals with the clearly dominant scalenohedron. They are transparent, bright and come from a Portuguese locality from which usually are not many samples.
Cantera Vale Rodrigues, Moita do Poço, Turquel, Alcobaça, Leiria  Portugal (2009)

Specimen size: 10.6 × 8.2 × 4.8 cm = 4.17” × 3.23” × 1.89”

Main crystal size: 3.5 × 2 cm = 1.38” × 0.79”

Former collection of Alain Martaud

Fluorescent long & short UV
Twinned Calcite. Twinned Calcite.


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