All Specimens with Goethite

192 specimens selected...
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3D20 - Goethite ps. Gypsum - $ 125 SOLD
La Negra, Mun. de Carmargo, Chihuahua, Mexico
miniature, 3.9 x 1.9 x 1.9 cm
ex. Marilyn Dodge

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Whether you consider this a true pseudomorph or a hollow cast, either way you shake it this is an outrageously good specimen. The botryoidal Goethite has superb luster and just the color and texture that you would want. The few places that there are dings actually enhance the specimen because they provide small windows into the multi-layering of the Goethite. Seldom do you see these so sharply formed and well-preserved! Usuaully they are much thinner, more fragile casts with many holes in them.

4MC47 - GOETHITE AFTER PYRITE - $ 25 SOLD
PELICAN POINT, GREAT SALT LAKE, UTAH
thumbnail, 1.8 X 1.3 X 1.3 cm

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Sharp crystal showing complete replacement.

4MC50 - GOETHITE AFTER PYRITE - $ 25 SOLD
PELICAN POINT, GREAT SALT LAKE, UTAH
thumbnail, 1.9 X 1.7 X 1.6 cm

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Sharp crystal showing complete replacement.

D06-224 - Rhodochrosite on Goethite - $ 1500 SOLD
Uchucchacua Mine, Oyon Province, Lima Dept., Peru
cabinet, 10.1 x 10.0 x 8.0 cm

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Nestled in a vug of massive, black, goethite are brilliantly lustrous, gemmy, red crystals of rhodochrosite, the largest of which is 3 cm in length. In many ways the rhodochrosite from Uchucchacua resembles the super N�Chwaning rhodos. This one has a gorgeous pocket, tucked and protected right in the middle of the contrasting geothite matrix! VERY DRAMATIC, especially for the price!

D12 - Goethite ps. Gypsum - $ 45 SOLD
La Negra, Chihuahua, Mexico
thumbnail, 2.4 x 1.9 x 1.2 cm
ex.  Marilyn Dodge

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Delicate and very attractive pseudomorph in which the Gypsum is perfectly replaced by the Goethite. Each sharp blade shimmers with a green or red iridescence that gives this excellent thumb a beauty all its own.

DEN11-403 - Goethite pseudo. after Selenite, with Calcite - $ 900
Santa Eulalia District, Chihuahua, Mexico
small cabinet, 7.3 x 6.0 x 3.1 cm
ex.  David Stoudt

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This piece formed from geothite casting over and partially replacing selenite crystals in parallel cluster, which then dissolved (they are water soluble, after all). So, it is hollow and light in weight, though it looks massive somehow, to the eye . We have all seen a lot of this material creep to market over the years, though I suspect much of it actually was a lot older, found in the 1970s and prior. But THIS piece has always stood out to me for many reasons: its sheer sharpness, intense jet black (not gray or brownish) color saturation, wet-looking lustre to the geothite, and that wonderful association with sparkling, colorless calcite atop! I obtained this in an old collection in 2003, and sold it into the Dave Stoudt Mexico collection shortly after. It remains my personal favorite amongst all such examples of this particular material I have handled. Joe Budd photos

HECK-065 - Smithsonite on Goethite - $ 900 SOLD
Santa Eulalia, Chihuahua, Mexico
miniature, 4.2 x 3.3 x 3.1 cm
ex.  Richard Heck

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A velvety, botryoidal crust of black goethite is the matrix for five intergrown spheres of lustrous and translucent, essentially colorless smithsonite, to 1.8 cm across. The smithsoite is the smoothest, most lustrous and bubbly smithsonite of this style i can recall seeing, and is really just gorgeous in person, despite the fact that normally it is hard to rave about a colorless smithsonite?! There is a faint grayish color imparted to the smithsonite by the underlying goethite. For color and textural contrasts, this specimen is spectacular!

HECK-068 - Adamite (manganoan) on Goethite - $ 3500 SOLD
Mina Ojuela, Mapimi, Durango, Mexico
small cabinet, 7.9 x 3.8 x 3.4 cm
ex.  Richard Heck

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Unusual! This is a superbly crystallized and arranged specimen of manganoan adamite in which the adamite crystals show a gradation within them from adamite to manganoan-adamite. A concave matrix of ocherous limonite is supplanted by beautiful velvety spheres of black goethite, to 5 mm across. Emplaced on the goethite and a thin septa of limonite host rock are sprays of lustrous and translucent, bicolored, colorless to lavender-purpley, manganoan adamite. the pinwheel spreays reach nearly an inch, to 2.2 cm across. The adamite is colorless at the core and at the termination grades to a magnificent, lavender. All the adamite is lustrous and sparkling! The contrast in color and textures between the limonite, goethite, and the biclored adamite is just breathaking on this superb old specimen probably from the early 1980s adamite finds here.

HECK-207 - Adamite var. Manganoan on Goethite - $ 4500
Ojuela Mine, Mapimi, Durango, Mexico
cabinet, 13.4 x 9.5 x 4.7 cm
ex.  Richard Heck

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A botryoidal crust of brownish-black goethite is host to a large, aesthetic cluster of lustrous and translucent, bi-colored mangan adamite crystals, to aVERY LARGE SIZE of 3.5 cm in length. The lower 80% of the crystals are ivory-colored while the gemmier terminations exhibit a lovely, light lavender color. This is one of the largest clusters of manganoan adamite I have seen from the incredible finds at Mina Ojuela in 1981-2. Although the color is not intense, it is present, and in this case it is present as an accent to the overall form and richness of the piece, lending purple highlights to unsuual white crystals. The crystals are sinuous and interesting, in and of their own. The contrast of the curving crystals which are sharply pointed on either end, with the rolling black hills of geothite matrix, really adds a lot to the specimen

JMIX08-13 - Goethite - $ 350 SOLD
Coon Creek Mine, Polk Co., Arkansas, USA
small cabinet, 8.5 x 7 x 2.8 cm

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A spectacularly colorful specimen of iridescent goethite. You see this material more commonly from Georgia, but this is an old Arkansas specimen from a well kown collection of a man who was a field collector in Arkansas for many decades. (Al Kidwell, after whom kidwellite is named � with label).

LTH-38 - Manganite on Goethite - $ 450
Caland pit, Atikokan, Hutchinson Township, Ontario, Canada
miniature, 3.5 x 3 x 2 cm
ex.  Martin Lewadny

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A MAJOR locality Manganite that has unusually blocky crystals for the locale, up to 1.7 cm, with razor-sharp edges and excellent luster. The striations, slight overlap, and the way that these sit on the Goethite matrix make this exceptionally aesthetic as a whole, for a black mineral. Certainly one of the best Manganites I have seen from this well-known location, it has been in Marty's private collection for over a decade since a big find here in the 1990s

LW5 - Limonite (iridescent) on Quartz - $ 300 SOLD
Graves Mountain, Lincoln County, Georgia, USA
miniature, 5.2 x 4.1 x 3.1 cm
ex.  Martin Lewadny

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Superb six-sided euhedral crystal of quartz coated with limonite ("turgite"), with a resplendent iridescence that is as bright and colorful as you could ask for. In person, it tops the pics! This is just a magnificent example of a normally worthless mineral, because of the colors...classic in old specimens form this locality but rarely seen today!

MD-113496 - Quartz, Hedenbergite, Goethite - - Archived
San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico
cabinet, 11.0 x 9.1 x 4.2 cm.

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11.0 x 9.1 x 4.2 cm. This plate of glassy, flashy quartz from the Glover collection is distinctive due to the rich inclusions of hedenbergite and goethite, which give the crystals a rich mossy color. Fine quartz specimens are unusual from the San Antonio Mine, and actually, except for the amethyst variety, are not all that common from Mexico in general.

MD-117710 - Vanadinite, Goethite - - Archived
ACF Mine (incl. Coud'a shaft; Coudia shaft), Mibladene (Mibladén; Mibladan; Miblanden), Upper Moulouya lead district, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
miniature, 4.3 x 3.5 x 2.2 cm.

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4.3 x 3.5 x 2.2 cm. Super quality hoppered vanadinite crystals, very 3-dimensional, on a contrasting matrix of rolling black geothite!

MD-117743 - Rutile, Limonite - - Archived
Graves Mountain, Lincoln Co., Georgia, USA
cabinet, 10.2 x 7.5 x 5.7 cm.

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10.2 x 7.5 x 5.7 cm. A sharp, triangular-shaped 2.5 cm rutile with incredible lustre highlights this specimen. The crystal sits with a few other small rutiles on iridescent limonite matrix that has whirly patterns of limonite contrasting to the sharp rutile.

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