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RM1068   Wulfenite with mottramite
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A rich group of doubly terminated crystals of wulfenite showing prismatic growth truncated by the terminal pinacoid. They show an intense orange to yellow color and are disposed on a matrix of limonite partially covered by olive green mottramite. A good size specimen and very aesthetic.


Size: 10.0 x 9.8 x 5.5 cm.
Main crystal: 8 x 3 mm.

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RM911   Hemimorphite with calcite and mimetite

Groups of brilliant hemimorphite crystals forming fan-shaped aggregates, transparent, colorless and very well defined lanceolated crystalline forms. They are accompanied by small rhombohedral calcite crystals and small mimetite globular aggregates with a yellow tone. On a limonite matrix.


Size: 5.5 x 5.3 x 3.8 cm.
Main crystal: 14 x 4 mm.
Found in 2004.

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RM922   Aurichalcite with calcite
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In this specimen we can observe two generations of aurichalcite. A first generation as small rosettes formed by lanceolate greenish crystals and second with thiner crystals, needle-like, some of which are included in rhombohedral calcite crystals, with a light blue color. Stand in a very aesthetic way on the matrix of goethite. A very balanced sample.


Size: 7.5 x 5.5 x 3.8 cm.

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RM808   Rosasite with calcite
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A huge size specimen showing botryoidal aggregates of rosasite, with a velvet appearance and intense blue-green pastel tones. They are peppered with small but brilliant calcite crystals with a pseudooctahedron shape. On a limonite matrix.


Size: 9,0 x 7,5 x 4,5 cm.

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RM799   Calcite with hemimorphite
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Group of lenticular calcite crystals, very transparent and brilliant, with an uncommon shape for the species due to the flattened hexagonal shape. Disposed very aerial on the limonite matrix with hemimorphite.


Size: 8,8 x 7,4 x 5,3 cm.
Main crystal: 27 x 18 mm.

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RM757   Cuprian adamite with rosasite, smithsonite and conichalcite
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A rich druse of cuprian adamite crystals which is completely covering the cavity in limonite. With stalactitic growths showing an intense blue-green color. They are peppered by small white globular aggregates of smithsonite, along with areas of rosasite green. Accompanied by globular aggregates of conichalcite and very defined cuprian adamite crystals. An interesting specimen with good size.


Size: 8,0 x 5,5 x 5,0 cm.

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RM794   Cuprian adamite
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A huge size cuprian adamite specimen, formed by two druses of very brilliant small crystals with an intense brilliance and characteristic color, with stalactitic growths. On the back size of the specimen there are some isolated and more developed crystals of this arsenate. Really good for diplay.


Size: 14,2 x 7,5 x 5,5 cm.
Found in ca. 2007.

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RM699   Adamite with goethite

Groups of fan-shaped adamite crystals with good color, more intense at the terminal faces, from light yellow to yellowish green. Good brilliance and perfect disposition on the matrix.


Size: 4,3 x 3,9 x 3,8 cm
Main crystal: 12 x 10 mm.

Fluorescent under LW-UV and SW-UV lights
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RM703   Wulfenite with mimetite
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A great and aesthetic wulfenite specimen from well-known Ojuel mine. Two groups of wulfenite crystals with parallel growth, one of them with prismatic form and intense orange color and brilliance. Attracts our attention for its complex terminal acute faces and it is aesthetically disposed and contrasts with the limonite matrix. They are accompanied by a group of green globular aggregates of mimetite. Both minerals are fluorescent. To be displayed.


Size: 5,8 x 5,0 x 4,5 cm.
Main crystal: 18 x 8 mm.

Fluorescent under long wave UV
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RM614   Austinite and adamite on goethite
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This specimen shows a rich group of lanceolated austinite crystals with an excellent transparence and brilliance and a slight greenish tone. They contrast on the goethite matrix layered by several sharp adamite crystals, defined, brilliant and with a yellow to orange color. A sample with aesthetic and mineralogical interest for the quality of the austinite and its paragenesis.


Size: 5,5 x 4,5 x 3,0 cm.
Main crystal: 4 x 1 mm.
Found in 2008.

Precio reducido-Reduced price 75€
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RM613   Austinite on goethite-hematite
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This speciemn shows various aggregates formed by several austinite lanceolate crystals. Good transparence, excellent brilliance and slight greenish tone. On starkly contrasting matrix with goethite-hematite. This specimen has a good quality for the species. I recommend the buyer to use a magnifying lens to enjoy the small crystals that are disposed on the matrix. Enjoy it!


Size: 6,5 x 5,3 x 4,0 cm.
Main crystal: 9 x 2 mm.
Found in 2008.

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RM612   Austinite on goethite-hematite
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This nice speciemn shows various globular aggregates formed by several austinite lanceolate crystals in radial growth. Good transparence, excellent brilliance and almost colorless, they are real gems. On starkly contrasting matrix with goethite-hematite and small crystals of adamite. This specimen has a superb quality for the species. I recommend the buyer to use a magnifying lens to enjoy the small crystals that are disposed on the matrix. Good choice.


Size: 5,4 x 5,2 x 2,8 cm.
Main crystal: 12 x 9 mm.
Found in 2008.

Fluorescent under long wave UV
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RM574   Cuprian adamite
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A very rich group of cuprian adamite pseudooctahedral crystals. Well defined faces and edges, excellent brilliance and a green color with bluish tones. Disposed covering a vug on the limonite matrix. Just this specimen was published in mindat and labelled as cuprian austinite, but further analysis indicate that they were cuprian adamite. An excellent specimen.


Size: 8,5 x 4,7 x 3,5 cm.
Main crystal: 2 x 2 mm.
Found in 2008.

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RM498   Mottramite
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A very rich botryoidal growths of mottramite, with an excellent dark green color and velvety. These mottramite specimens were recently found in the mina Ojuela and for their quality could be considered a good representative for the species and, of course, the best specimens from this mine. A huge size specimen for the more selected display.


Size: 14,5 x 10,5 x 5,5 cm.
Found in 2012.

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RM496   Cuprian adamite

A very rich specimen of cuprian adamite, formed by several very sharp pseudooctaedral crystals, with an excellent brilliance and transparence. Color is different than usual for the species and mine, with a green to bluish tones. Adamite crystals are partially covering a vug in the goethite matrix. A display huge size specimen and a very good aesthetics. From this classic classic Mexican mine.


Size: 8,5 x 7,2 x 4,7 cm.
Main crystal: 3 x 2 mm.

Fluorescent under long wave UV
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RM455   Adamite
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Group of very sharp adamite crystals showing an intense brilliance and color between yellow to colorless. Different orders prisms are present, isome of the end faces can remind the octahedron. Thus, in the specimen we can see very elongated crystals, some other flattened and almost equidimensional. Transparence and luster are really good. Crystals are disposed very aerial on a goethite matrix. This sample belongs to a German collection.


Size: 7,5 x 6,8 x 4,1 cm.
Main crystal: 13 x 10 mm.

Old col. Nr. 2704.
Fluorescent under LW-UV and SW-UV lights
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