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TM47Q3: Inesite with Natrolite
A radial group of Inesite crystals. They have an intense orange-red color on a group of white crystals of Natrolite with good terminations and on matrix.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±1985)
Specimen size: 5 × 3.5 × 4.7 cm = 1.97” × 1.38” × 1.85”
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ER27X0: Inesite with Orlymanite and Calcite
Radial growths of acicular crystals of Inesite with a very deep color, with white scalenohedral crystals of Calcite and on a botryoidal growth of Orlymanite, a rare silicate of calcium and manganese. From the type locality for Orlymanite.
Wessels Mine, Hotazel, Kalahari manganese field (KMF), Northern Cape Province  South Africa
Specimen size: 6.7 × 3.6 × 2 cm = 2.64” × 1.42” × 0.79”

Main crystal size: 1 × 0.1 cm = 0.39” × 0.04”
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1D59: Iranite
Small yellowish, bright and profiled crystals of Iranite, a rare lead, copper and chromium silicate implanted in Dolomite matrix. The specimen is a cotype of the species, came from the Sorbonne Museum, currently Pierre et Marie Curie University, with handwritten label by Pierre Bariand, curator of the mineralogy collection.
Chah Khouni Mine, Madan-e Nakhlak, Anarak District, Nain, Isfahan Province  Iran
Specimen size: 2.5 × 2.5 × 1.2 cm = 0.98” × 0.98” × 0.47”
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4D08: Iranite
Small yellowish, bright and profiled crystals of Iranite, a rare lead, copper and chromium silicate, implanted on Dolomite matrix. The specimen is a cotype for the species, and came from the Sorbonne Museum, now Pierre et Marie Curie University, with a handwritten label by Pierre Bariand, curator of the mineral collection.
Chah Khouni Mine, Madan-e Nakhlak, Anarak District, Nain, Isfahan Province  Iran
Specimen size: 2.8 × 3.2 cm = 1.10” × 1.26”
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NB58S8: Iridescent Goethite
The iridescent Goethite from Rio Tinto is different from the Tharsis iridescent Goethite, it is not stalactitic and is much more colorful.
From an old find at the classic Rio Tinto mines, this Goethite surprises us with its rich and varied colors.
Cerro Colorado Mine, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (±1985)
Specimen size: 6.4 × 4.3 × 3.6 cm = 2.52” × 1.69” × 1.42”
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NK6S8: Iridescent Goethite
The iridescent Goethite from Rio Tinto is different from the Tharsis iridescent Goethite, it is not stalactitic and is much more colorful.
From an old find at the classic Rio Tinto mine, this Goethite surprises us with its rich and varied colors.
Cerro Colorado Mine, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (±1985)
Specimen size: 11.5 × 8.7 × 5.5 cm = 4.53” × 3.43” × 2.17”
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NJ58K8: Iridescent Goethite
Stalactitic-botryoidal growth with intense iridescence, very bright, metallic reflections, whose dominant colors vary between red, blue and gold. These growths contrast with a later formed phase with smaller and very bright botryoidal growths. The specimen is from a recent find in Tharsis. This locality hasn't produced significant samples in the last twenty years.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 4.4 × 3.3 × 2.2 cm = 1.73” × 1.30” × 0.87”
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NA61L5: Iridescent Goethite
Stalactitic-botryoidal growth forming curious concretions and elongated growths. With intense metallic pastel color iridescence and a later formed phase, also with intense iridescence.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 6.6 × 4.8 × 4.2 cm = 2.60” × 1.89” × 1.65”
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ND80K4: Iridescent Goethite
A novelty from Munich 2007. Stalactitic-botryoidal growth with intense, very bright, iridescence, of dominant colors between pink and red and bluish. On the back it has laminar concretions, also iridescent, formed latterly to the botryoidal phase. The specimen is from a recent find on Tharsis (Filón Sur Mine) that hasn't produced significant samples in the last twenty years.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 11 × 4 × 3.2 cm = 4.33” × 1.57” × 1.26”
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NB12K4: Iridescent Goethite
A novelty from Munich 2007. Stalactitic-botryoidal growth with intense, very bright, iridescence, with metallic reflections of dominant colors between golden and blue. The specimen is from a recent find on Tharsis (Filón Sur Mine) that hasn't produced significant samples in the last twenty years.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 6.7 × 4.5 × 4 cm = 2.64” × 1.77” × 1.57”
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NH36N7: Iridescent Goethite
The colorful Goethite from Tharsis is a classic in Spain. From the find of 2007, this one is a fine example of its quality.
Filón Sur open pit, Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (05-10/2007)
Specimen size: 12 × 4.8 × 2.9 cm = 4.72” × 1.89” × 1.14”
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NE9M1: Iridescent Goethite
If the Tharsis Goethite samples are well known for their intense colors and defined stalactitic growths, La Lapilla Goethite specimens stand out because of their delicate crossed stalactitic growths and filament-like structures. Also, a highlight is the pale pastel color iridescence, whose colors vary between green, deep blue to slight pink, and gray reflections with ocher zones.
La Lapilla Mine is well known by the rich base metals “gossan”, above all its high Gold content, but is not so known for Goethites.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 5.2 × 3.3 × 1.6 cm = 2.05” × 1.30” × 0.63”
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NY10M1: Iridescent Goethite
If the Tharsis Goethite samples are well known for their intense colors and defined stalactitic growths, La Lapilla Goethite specimens stand out because of their delicate crossed stalactitic growths and very thin filament-like structures. Also, a highlight is the pale pastel color iridescence, whose colors vary between green, deep blue to slight pink, and gray reflections with ocher zones.
La Lapilla Mine is well known by the rich base metals “gossan”, above all its high Gold content, but is not so known for Goethites.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 6 × 5.7 × 2.5 cm = 2.36” × 2.24” × 0.98”
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NA60M1: Iridescent Goethite
If the Tharsis Goethite samples are well known for their intense colors and defined stalactitic growths, La Lapilla Goethite specimens stand out because of their delicate crossed stalactitic growths and very thin filament-like structures. Also, a highlight is the pale pastel color iridescence, whose colors vary between green, deep blue to slight pink, and gray reflections with ocher zones.
La Lapilla Mine is well known by the rich base metals “gossan”, above all its high Gold content, but is not so known for Goethites.
La Lapilla Mine, La Lapilla, Alosno, Comarca El Andévalo, Huelva, Andalusia  Spain (03-04/2008)
Specimen size: 9.2 × 7.7 × 4.2 cm = 3.62” × 3.03” × 1.65”
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NA63Z6: Ixiolite with Muscovite
An aggregate of exceptionally well developed crystals, really large for the species. They are on matrix with very sharp laminar Muscovite crystals. A sample of great quality that has been analyzed. We will send a copy of the analysis to the buyer.
Naipa Mine, Alto Ligonha, Zambezia  Mozambique (±1985)
Specimen size: 3.2 × 2.8 × 2.3 cm = 1.26” × 1.10” × 0.91”
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TR11Z1: Jacobsite with Calcite and Andradite
A novelty at Tucson 2013. Groups of sharp, brilliant, well defined octahedral crystals on a matrix of Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than usual.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±08/2012)
Specimen size: 2.8 × 2.6 × 1.8 cm = 1.10” × 1.02” × 0.71”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”
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TF12X3: Jacobsite with Calcite and Andradite
A novelty at Tucson 2013. Sharp, brilliant, octahedral crystals. The contrast between the black Jacobsite crystals and the white Calcite makes this specimen nicer than usual.
We'll send a copy of the analysis to the buyer of the piece.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±08/2012)
Specimen size: 1.6 × 1.3 × 1.3 cm = 0.63” × 0.51” × 0.51”
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TL11Z1: Jacobsite with Calcite and Andradite
A novelty at Tucson 2013. Groups of sharp, brilliant, well defined octahedral crystals on a matrix of Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than usual.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±08/2012)
Specimen size: 3.8 × 2.9 × 2.8 cm = 1.50” × 1.14” × 1.10”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”
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TA47Z9: Jacobsite with Calcite and Andradite
Groups of sharp, bright and well defined octahedral crystals on a matrix of scalenohedral Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than samples from other finds. We will send a copy of the Jacobsite and Andradite analyses to the buyer.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±08/2012)
Specimen size: 7.2 × 5.1 × 4.2 cm = 2.83” × 2.01” × 1.65”
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1N07: Jarosite
Small, bright, well defined Jarosite crystals on matrix from the type locality for the species.
Jaroso ravine, Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (03/1997)
Specimen size: 6.2 × 4.3 cm = 2.44” × 1.69”
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3N07: Jarosite
Small, bright, well defined Jarosite crystals on matrix from the type locality for the species.
Jaroso ravine, Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (03/1997)
Specimen size: 3.4 × 3.2 × 1.0 cm = 1.34” × 1.26” × 0.39”
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CB26AI3: Jarosite
Jarosite crystals on matrix with very well defined faces and edges, transparent and very bright.
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (08/1997)
Specimen size: 6.2 × 5.3 × 1.4 cm = 2.44” × 2.09” × 0.55”

Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”
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SV2160CMP: Jarosite
Jarosite crystals with very well defined faces and edges, transparent, very lustrous and on matrix. These Spanish Jarosite specimens are among the best in the world, not because of the size, but because of the transparency and sharpness of the crystals. This specimen comes from the collection of duplicates of Carles Curto, nº 2014.27, whose handwritten label we will send to the buyer.
Socavón Las Palomas (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (08/1997)
Specimen size: 6.5 × 3.6 × 2.1 cm = 2.56” × 1.42” × 0.83”
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N58VL2: Jarosite
A representative specimen from the type locality. On a Limonite matrix, very bright Jarosite crystals showing a tabular habit, some in groups of rosettes and other isolated crystals with developed prism faces. Brown color is very intense and excellent transparency. NASA Opportunity Rover prospecting on planet Mars found Jarosite that may point to the rock's wet history having been in an acidic lake or an acidic hot springs environment, like in Barranco Jaroso deposit.
Jaroso ravine, Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (1997)
Specimen size: 5.8 × 3.1 × 2.8 cm = 2.28” × 1.22” × 1.10”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”
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JFD172AP0: Jarosite on Siderite
It may seem silly, but jarosites from Spain are among the best in the world not because of the size of the crystals but because of their quality and transparency. Also, even though the ones from Arteal are not from the type locality, which is Barranco Jaroso, both localities are in the Sierra Almagrera and not far from each other.
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia  Spain (2006)
Specimen size: 7.2 × 6 × 3.5 cm = 2.83” × 2.36” × 1.38”

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