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JRA37AP8: Goethite
Botryoidal growth of Goethite with intense metallic iridescence dominated by green, mauve and grey, and with cavities on the back that are typical of Rio Tinto specimens. The specimen comes from the collection of Andrés Jiménez Shelly.
Cerro Colorado Mine, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (1980)
Specimen size: 7.1 × 4.6 × 2.8 cm = 2.80” × 1.81” × 1.10”
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SM220NAA: Goethite
Botryoidal and stalagmitic growths of Goethite, on a matrix of the same species, exhibiting iridescence of very vivid colors in which blue and reddish tones predominate. Of excellent quality for the deposit.
Haití Mine, Cabezo de San Ginés, San Ginés de la Jara, Cartagena, Comarca Campo de Cartagena, Region of Murcia (Murcia)  Spain (2016)
Specimen size: 18.8 × 8.7 × 6.2 cm = 7.40” × 3.43” × 2.44”
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TC220NA: Goethite
Botryoidal Goethite growths with very fine, shiny and dense black surfaces. The specimen comes from one of the great classical Spanish iron deposits, via the Lluís Daunis collection, whose autograph label we will send to the buyer.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain
Specimen size: 16.3 × 7.6 × 7.1 cm = 6.42” × 2.99” × 2.80”
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NF27AF2: Goethite
Botryoidal and stalactitic Goethite growths with dappled metallic iridescences with greenish, yellowish and reddish dominant shades. The sample is from a punctual find in a mine without acces currently, so, likely no new samples will be obtained from there.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 13.3 × 6.2 × 3.6 cm = 5.24” × 2.44” × 1.42”
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XM2230NXY: Goethite
Botryoidal aggregate formed of Goethite crystals with a velvety luster and marked iridescence dominated by blue and mauve, on a limonite matrix. A great classic of Basque iron mining from La Arboleda, where the 'alirón' ('all iron all iron') was sung for the first time. The specimen belonged to Santiago Jiménez who, especially in the 1980s and 90s, assembled an excellent collection with a very good representation of the mineralogy of northern Spain.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain
Specimen size: 11.4 × 9.8 × 3.4 cm = 4.49” × 3.86” × 1.34”
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GR37AM2: Goethite
Botryoidal Goethite growths with very fine surfaces, very shiny and dense black in color. The specimen, from one of the great classical Spanish iron ore deposits, comes from the Pedro Goy collection, whose very detailed catalogue entry will be sent to the buyer.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain
Specimen size: 12 × 10.4 × 6.3 cm = 4.72” × 4.09” × 2.48”
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MN37AL4: Goethite
Compared to other Goethites from southern Spain, those from the La Lapilla Mine stand out for their delicate network growths and finely arched structures, sometimes almost filamentous, added to that their quality and luster and their faint iridescence in pastel tones of ocher, green, intense bluish, and pink, on predominantly greyish metallic reflections.
We will send the Fermín Clemente collection label to the buyer of the specimen.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (04/2008)
Specimen size: 6.8 × 4.7 × 3.1 cm = 2.68” × 1.85” × 1.22”
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JFD35AN7: Goethite
The La Lapilla goethites have an 'architectural' point and, although their color is sometimes not as intense as that of the Tharsis goethites, their structure and the design of their formations have always attracted me. I got it (of course) from Fermín Clemente, a great field collector in the Huelva area.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 14.3 × 8.5 × 4.9 cm = 5.63” × 3.35” × 1.93”
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JFD195AP3: Goethite
The size of the Goethite crystals in this piece made me forget that some of them were broken, but really its size and thickness and its good presentation, well placed in a matrix of Quartz, makes the piece very attractive.
Les Redoutières Mine, Chaillac, Le Blanc, Indre, Centre-Val de Loire  France (±1996)
Specimen size: 5.9 × 5.7 × 3.2 cm = 2.32” × 2.24” × 1.26”
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JFD174AP0: Goethite
A friend who saw it called it 'a tower of the Sagrada Familia' cathedral. How capricious are these goethites from La Lapilla!
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 14.4 × 4.2 × 4 cm = 5.67” × 1.65” × 1.57”
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EFX99AN8: Goethite
Very aerial botryoidal growth of brilliant greyish Goethite. Excellent for this locality, being from the Peyrebrune mine itself, from which not many Goethites as remarkable as this one are known.
Peyrebrune Mine, Peyrebrune area, Montredon-Labessonnié, Le Haut Dadou, Castres, Tarn, Occitanie  France (±1975)
Specimen size: 12 × 8.8 × 6.3 cm = 4.72” × 3.46” × 2.48”
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XM65NH: Goethite
Botryoidal and stalactitic Goethite growths with variegated metallic iridescence dominated by reddish, blue and green tones. The specimen comes from a one-off find in a mine currently located on land with no access, so it is unlikely that new specimens will be obtained.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (2009)
Specimen size: 6.5 × 5.4 × 2.7 cm = 2.56” × 2.13” × 1.06”
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XM80NF: Goethite
Botryoidal and stalactitic Goethite growths with variegated metallic iridescence dominated by reddish, blue and green tones. The specimen comes from a one-off find in a mine currently located on land with no access, so it is unlikely that new specimens will be obtained.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 7.4 × 6.1 × 3.8 cm = 2.91” × 2.40” × 1.50”
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NB13AB5: Goethite
Small botryoidal growth on a matrix of the same Goethite, with iridescences of very vivid colors and predominating reddish shades. The sample, from a very unique find in 1980, it comes from a Spanish private collection.
Cerro Colorado Mine, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (±1980)
Specimen size: 3.3 × 2.6 × 2.6 cm = 1.30” × 1.02” × 1.02”
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FZ62Z9: Goethite
Very aerial parallel columnar growths with strongly iridescent areas that have a dominant green color, with red and blue on the tips and on the base.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 4.4 × 2.1 × 0.4 cm = 1.73” × 0.83” × 0.16”
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FL16: Goethite
Velvet Goethite from an old classic Spanish locality which is no longer productive. All of us were there when we were younger digging and trying to get something as good as this delicate specimen.
La Arboleda Mines, La Arboleda (Zugaztieta), Valle de Trápaga/Trapagaran, Comarca Gran Bilbao, Vizcaya / Bizkaia, Basque Country (Euskadi)  Spain
Specimen size: 9 × 6.2 × 2.5 cm = 3.54” × 2.44” × 0.98”
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FB6Z8: Goethite
Botryoidal and arborescent growths with intensely metallic-iridescent patinas showing strongly contrasted coloration, between pink-mauve and greenish and bluish shades. These samples have more elegant forms that those that are better known from Filón Sur, at Tharsis, and they are very rare because they appeared in the year 2008, and quickly disappeared from the mineral market.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 10.2 × 7.2 × 4.1 cm = 4.02” × 2.83” × 1.61”
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FA67Z8: Goethite
Fine columnar aggregates with patinas forming banded areas with vivid iridescent luster and strongly contrasted shades, predominating red, green and yellow. These samples have more elegant forms that those that are better known from Filón Sur, at Tharsis, and they are very rare because they appeared in the year 2008, and quickly disappeared from the mineral market.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 12.1 × 8.4 × 3.8 cm = 4.76” × 3.31” × 1.50”
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18CBR09: Goethite after Marcasite
Crystals with well defined faces and edges that show "sperkise" twinning, with polycrystalline growths on some of the faces, and that have been totally pseudomorphed by brown Goethite. This piece was found in the 1970s at a now extinct locality. The sample is from the Carles Curto collection whose label and catalog card we will send to the buyer.
San Vicente Mine, Lucena del Cid, Comarca Alcalatén, Castellón / Castelló, Valencian Community / Comunitat Valenciana  Spain (±1970)
Specimen size: 4.9 × 3.8 × 2.4 cm = 1.93” × 1.50” × 0.94”
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TFA9AN4: Goethite after Pyrite
Goethite pseudomorph after a complete pyritohedral floater crystal of Pyrite. We will send this specimen, from a little known locality among mineral collectors, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Stonyfell Quarry, Stonyfell, South Mount Lofty Ranges, South Australia  Australia
Specimen size: 2 × 1.7 × 1.9 cm = 0.79” × 0.67” × 0.75”
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TXM14AN4: Goethite after Pyrite
Floater group of very sharp pyritohedral pseudomorphs of what used to be Pyrite crystals, now replaced by Goethite. The specimen is from the Alain Martaud collection.
Agos-Vidalos, Argelès-Gazost, Hautes-Pyrénées Département, Occitanie  France (2017)
Specimen size: 7.4 × 6.4 × 5.4 cm = 2.91” × 2.52” × 2.13”
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SV3390EXL: Goethite coating Quartz
A great piece from the San Valentín Quarry. The Quartz crystals are of good size, the Goethite that covers them has intense iridescence and the whole thing has a strange beauty. There is a slight saw cut on the back that barely impacts the visual appearance of the specimen. This piece was in one of the great collections of that area, that of Mariano Guillén. His collection passed to that of Miguel David Martínez with the number 1700 and whose label we will send to the buyer of the specimen.
San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia)  Spain
Specimen size: 9.2 × 6 × 5.2 cm = 3.62” × 2.36” × 2.05”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”
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SV3140TPZ: Goethite coating Siderite
A brilliant piece. The Siderite specimens from this forgotten locality were once a subject of debate because their appearance resembled Goethite. However, this is actually due to the presence of Goethite, which forms a thin layer covering the outer part of the Siderite “stalactites”! As is often the case, mineral collection and preservation prove to be valuable to the field of mineralogy.
Mina Peyreblanque, Alban, Albi, Tarn, Occitanie  France
Specimen size: 7.4 × 4.6 × 3.8  cm = 2.91” × 1.81” × 1.50”
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SM390LAB: Goethite on Calcite
Centered growth of acicular Goethite crystals, with good terminations, on a limonite matrix with white Calcite crystals. Among the best known for this locality. This specimen is from the Alain Martaud collection.
Les Redoutières Mine, Chaillac, Le Blanc, Indre, Centre-Val de Loire  France (±2002)
Specimen size: 10.4 × 9 × 6.5 cm = 4.09” × 3.54” × 2.56”

Main crystal size: 3 × 0.2 cm = 1.18” × 0.08”
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NR87AM5: Goethite on Quartz
Aggregate of very fine acicular Goethite crystals, black, lustrous, in a vug of white Quartz crystals. This specimen, found in the 1970s or 80s, comes from the Pedro Hernández collection.
Tizirine, Ouarzazate Province, Drâa-Tafilalet Region  Morocco
Specimen size: 14.2 × 10.3 × 4.4 cm = 5.59” × 4.06” × 1.73”

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