Corkite on goethite - Serra da Mina mine - Cercal - Santiago do Cacém - Setúbal distr. - Portugal
(#GM25021)
Several yellow-brown minicrystals of corkite are spread over the matrix of black goethite.
The pictures are overligthened to show the details.
Ex Bruno Cerato collection with original label.
Specimen weight:44 gr.
Crystal size:mm. 1
 Overall size:65mm x 40 mm x 32 mm
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Rhodochrosite and goethite in fossil shell - Kamysh-Burun Trough - Kerchenskoe deposit - Kerchenskyi (Fe) ore basin - Kerch Peninsula - Crimea - Russia
(#GM25019)
This specimen consists of a fossil shell that has partially transformed into rhodochrosite through pseudomorphosis.
There are large dark gray areas of goethite.
Specimen weight:76 gr.
Crystal size:--
Overall size:48mm x 42 mm x 47 mm
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Crocoite - Red Lead Mine, Dundas mineral field, Zeehan district, West Coast municipality, Tasmania, Australia
(#MINS9070)
Fire orange-red color crystals up to 7 mm in alterated Goethite matrix. A classic
Specimen weight:5 gr.
Crystal size:Up to 7 mm
Overall size:42mm x 23 mm x 8 mm
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Baryte - Mibladen mining distr. - Midelt Prov. - Drâa-Tafilalet Region - Morocco
(#GM24100)
Excellent druse completely covered by lamellar barite crystals.
The color is rather dark orange, with some black dots here and there, probably made up by goethite.
Very aesthetic !
Specimen weight:535 gr.
Crystal size:mm. 20
Overall size:130mm x 80 mm x 50 mm
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Plancheite and Unknown - Tantara mine, Shinkolobwe, Haut Katanga, Democratic Rep. of Congo
(#12417_PLAN_DANI)
Superb plancheite in spherical xx with dark unknown xx (possibily goethite or heterogenite)
Specimen weight:22 gr.
Crystal size:1 mm
Overall size:82mm x 39 mm x 20 mm
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Goethite - Traveresella mine, Traversella, Piedmont, Italy
(#11803a_GOET_DANI)
Stunning acicular goethite xls on matrix.
Specimen weight:35 gr.
Crystal size:< 1 mm
Overall size:51mm x 40 mm x 23 mm
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Amethyst quartz and goethite - Rio Grande do Sul - Brazil
(#GM24022)
A large druse completely covered by quartz crystals with a beautiful amethyst color.
Most crystal tips are darker.
The black traces that can be seen are of goethite and ...
Specimen weight:550 gr.
Crystal size:mm. 10
Overall size:125mm x 110 mm x 43 mm
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Lepidocrocite on Goethite - Eisenzecher Zug mine, Eiserfeld, Siegen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany
(#MINS8843)
Translucent, red-brown crystals of lepidocrocite lining cavities in gossan matrix. Looks beautiful under magnification.
Specimen weight:107 gr.
Crystal size:Up to 1.5 mm
Overall size:48mm x 47 mm x 25 mm
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Vanadinite - Vein 12, Jbel Tadaout, Taouz, Er Rachidia Province, Meknès-Tafilalet Region, Morocco
(#MINS8541)
A very aesthetic and classy Moroccan specimen of red-orange vanadinite barrels to 10 x 9 mm wide set on contrasting, matte-black, botryoidal crust of either goethite or manganese oxides.
Specimen weight:22 gr.
Crystal size:Up to 10 x 9 mm
Overall size:40mm x 37 mm x 18 mm
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Strengite on goethite - Leveäniemi mine - Svappavaara - Kiruna - Norrbotten County - Sweden
(#GM21039)
Excellent cluster that has several little, lillac colored spheres of strengite.
They are sedded over a carpet of dark brown colored gothite.
Some of them are broken to show the typical spoking.
Specimen weight:430 gr.
Crystal size:mm. 5
Overall size:65mm x 54 mm x 52 mm
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Corkite - Serra da Mina Mine, Cercal do Alentejo, Santiago do Cacém, Setúbal, Portugal
(#FERR1573)
This is a small specimen of a considerable batch of extremely bright and lustrous corkite cristals coated by yellow plumbojarosite on a goethite matrix.
Specimen weight:130 gr.
Crystal size:
Overall size:66mm x 30 mm x 25 mm
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Baryte over rhodochrosite - Felsobanya mine - Maramures - Romania
(#GM18055)
The cluster is covered by pink rhodochrosite: some blades, pale grey-blue colored barytes are grown over it.
Some of them are encrusted by yellow-brown carbonate ...
Specimen weight:1330 gr.
Crystal size:mm. 25
Overall size:143mm x 87 mm x 68 mm
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Roselite on Quartz with Goethite - Aghbar Mine (Arhbar Mine), Aghbar, Bou Azzer District (Bou Azer District), Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
(#BALD0579)
Group of isolated Roselite's crystals, very nice, with good color, translucent, in very well conditions. The biggest crystal, twinned and biterminated has really remarkable dimensions (10 mm).
Specimen weight:122 gr.
Crystal size:Up to 10 mm
Overall size:65mm x 45 mm x 46 mm
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Owner : GMineral (Voghera - Italy) 