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Reference Specimens
The Pedro Goy Collection

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Photos by Fabre Minerals

On this page we have shown the specimens that were in the Pedro Goy Collection. We didn't want to delete them from our website given their quality, so we decided to save them and publish all of them on this special page, which will act as a kind of representative overview of this classic collection.
We hope that you enjoy your visit, even if it is just to see this page!


Carles Curto Text: Carles Curto (curator of the Geology Museum, Barcelona ) & Jordi Fabre
Assistance from John S. White (former Smithsonian curator) John S. White

 


Pedro Goy Benítez (1917-2000) was born in the town of Esparraguera, in the province of Barcelona, but lived most of his life in Oviedo and Madrid.

Pedro was a ‘hidden’ collector, and very few people in the Spanish world of minerals knew that he had assembled a good collection through his hard work and excellent aesthetic taste.

He was self taught, a close friend to those that knew him, pleasant, and well educated, so his presence at mineral shows in the 80s and 90s was absolutely synonymous with a good conversation. He was always hunting for the most attractive specimen at the show, then matching his wish for beauty with the need for scientific knowledge, which he demanded of the dealers or he found among the many mineral text books that he owned.

Pedro Goy


He was interested in botany, mycology, and medicine, just to give you an idea of the range of his interests he wrote material that developed into what he called
"An almost encyclopedic glossary of the physical cosmos and nuclear physics".

We hope that through this page we can share the Pedro Goy Collection with other mineral collectors. It is a collection that represents, in a very special way, the dawn of modern Spanish mineralogy as well as the type and form of collection that was typical in Madrid and the regions it influenced during the 1970s to 1990s.

 

Cinnabar
Cerussite
Azurite

 

The Pedro Goy Collection


Pyromorphite
Pyromorphite. Pyromorphite.

GF37Q0: Botryoidal aggregate of crystals of extraordinarily curved faces, of vivid reddish orange color and a very intense luster. An American classic now.
Bunker Hill Mine, Kellogg, Shoshone County, Idaho  USA (±1982)

Specimen size: 5.1 × 4.6 × 2.1 cm = 2.0” × 1.8” × 0.8”

Minor fluorescence long & short UV

Former Pedro Goy collection. Number 91


 
Smithsonite

GM69Q0: Botrioydal growths of intense greenish blue color and excellent luster, on matrix. An American classic.
Kelly Mine, Magdalena, Socorro County, New Mexico  USA (±1982)

Specimen size: 5.8 × 4.2 × 3.4 cm = 2.3” × 1.7” × 1.3”

Very fluorescent long & short UV

Former Pedro Goy collection. Number 130


Smithsonite.
 
Copper with Cuprite
Copper with Cuprite. Front
Front
Copper with Cuprite. Rear
Rear

GF87Q0: Very aerial arborescent growth of deformed but very well defined faces and edges, with Cuprite and on matrix.
Ray Mine, Ray district, Pinal County, Arizona  USA

Specimen size: 10.9 × 4.6 × 3.7 cm = 4.3” × 1.8” × 1.5”

Main crystal size: 1.2 × 0.6 cm = 0.5” × 0.2”

Former Pedro Goy collection. Number 161


 
Chrysocolla with Quartz

GA26R0: Bluish globular growths of Chrysocolla covered by microcrystalline aggregates of transparent Quartz that fill a cavity in the matrix. It is from a classic North American locality.
Bagdad Mine, Bagdad, Eureka, Yavapai County, Arizona  USA (±1982)

Specimen size: 6.8 × 5.4 × 4.2 cm = 2.7” × 2.1” × 1.7”

Former Pedro Goy collection. Number 5


Chrysocolla with Quartz. Chrysocolla with Quartz.
 
Smithsonite
Smithsonite. Smithsonite.

GG14Q5: White spheroidal aggregates with silky luster on Limonite matrix. We note the locality, very uncommon and unknown by most collectors.
Silver Hill Mine, Silver Hill, Pima County, Arizona  USA

Specimen size: 7.4 × 6.5 × 3.4 cm = 2.9” × 2.6” × 1.3”

Main crystal size: 0.2 × 0.1 cm = 0.1” × 0.0”

Former Pedro Goy collection. Number 195


 
Silver

GE7Q5: Dendritic growths of thin elongated crystals that have a very good luster and color. On matrix, with Calcite.
El Bonanza Mine, Port Radium, Great Bear Lake, N.W. Territories  Canada (±1981)

Specimen size: 5.4 × 4.6 × 2.7 cm = 2.1” × 1.8” × 1.1”

Calcite fluorescent long & short UV

Former Pedro Goy collection. Number 175


Silver. Silver.
 
Cinnabar with Mercury
Cinnabar with Mercury.
Cinnabar with Mercury. Cinnabar with Mercury.

GE69P9: Very well defined crystals of Cinnabar that have excellent color and luster. They are on a matrix of quartzite with fine granular Cinnabar and with small tabular crystals of Barite and small drops of interstitial native Mercury. An excellent Spanish classic.
Pozo de San Teodoro, Almadén, Ciudad Real  Spain

Specimen size: 9 × 8.3 × 5.1 cm = 3.5” × 3.3” × 2.0”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

Former Pedro Goy collection. Number 57


 
Pyromorphite

GX68Q0: Group of well developed prismatic crystals with hollow terminations and deep green color (Les Farges green) and on matrix. A good French classic.
Mine des Farges, Ussel, Corrèze  France

Specimen size: 5.2 × 4.8 × 3.8 cm = 2.0” × 1.9” × 1.5”

Main crystal size: 0.9 × 0.4 cm = 0.4” × 0.2”

Former Pedro Goy collection. Number 214


Pyromorphite. Pyromorphite.
 
Kämmererite (cromium Clinochlore)
Kämmererite (cromium Clinochlore). Kämmererite (cromium Clinochlore).

GK7P9: Very well defined and deep-colored crystals on a matrix coated by a layer of very small crystals of the same Kämmererite.
Kop Krom Mine, Kop Daglari, Erzerum, Anatolia  Turkey (±1982)

Specimen size: 7.7 × 3.8 × 3.8 cm = 3.0” × 1.5” × 1.5”

Main crystal size: 0.8 × 0.6 cm = 0.3” × 0.2”

Former Pedro Goy collection. Number 285


 
Cerussite with Galena

GJ86P9: Very well defined crystal, extraordinary for its transparency, luster and color. It is on a rough Galena matrix.
Touissit, Oujda  Morocco (±1984)

Specimen size: 6.7 × 6.2 × 6.4 cm = 2.6” × 2.4” × 2.5”

Main crystal size: 1.4 × 0.6 cm = 0.6” × 0.2”

Former Pedro Goy collection. Number 335


Cerussite with Galena. Cerussite with Galena.
 
Azurite with Malachite
Azurite with Malachite.

GX13P9: Excellent miniature. A group of crystals of very deep color and intense luster and partially pseudomorphed by Malachite.
Puit IX, Touissit, Oujda  Morocco (±1980)

Specimen size: 2.8 × 2.4 × 1.5 cm = 1.1” × 0.9” × 0.6”

Main crystal size: 2.2 × 0.7 cm = 0.9” × 0.3”

Former Pedro Goy collection. Number 184


 
Malachite

GH86Q5: Very aerial and esthetic botryoidal growth with very deep, vivid and uniform color.
L'Etoile du Congo Mine, Lubumbashi, Shaba  Congo D.R. (±1981)

Specimen size: 9.8 × 6.6 × 5.2 cm = 3.9” × 2.6” × 2.0”

Former Pedro Goy collection. Number 258


Malachite. Front
Front
Malachite. Top
Top
 
Siderite with Pyrrhotite
Siderite with Pyrrhotite.

GQ11R6: The sample is very representative of the Siderite from the Morro Velho gold mine, samples that were relatively abundant a few decades ago and very scarce today. The lenticular crystals, very sharp, have an excellent color and intense luster.
Morro Velho mine, Nova Lima, Minas Gerais  Brazil

Specimen size: 5 × 4.8 × 3.8 cm = 2.0” × 1.9” × 1.5”

Main crystal size: 1.2 × 0.6 cm = 0.5” × 0.2”

Former Pedro Goy collection. Number 290


 
Uvite with Magnesite

GY7P9: Lenticular crystals of very well defined faces and edges. They have an unusual deep red color with high transparency and are on a matrix coated by rhombohedral crystals of Magnesite.
Mina da Pombas, Serra das Éguas, Brumado, Bahia  Brazil (±1996)

Specimen size: 7.9 × 5.4  × 1.9 cm = 3.1” × 2.1” × 0.7”

Main crystal size: 1.2 × 0.8 cm = 0.5” × 0.3”

Former Pedro Goy collection. Number 432


Uvite with Magnesite. Uvite with Magnesite.
 
Columbite-(Fe)
Columbite-(Fe). Front
Front
Columbite-(Fe). Rear
Rear

GM67P9: Extraordinary group of crystals in parallel growths, rich in faces and having very well defined forms. The sample has been well analyzed and we’ll send a copy of the analysis to the buyer.
Itambé, Bahia  Brazil

Specimen size: 7 × 4.2 × 3.9 cm = 2.8” × 1.7” × 1.5”

Former Pedro Goy collection. Number 4


 



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