ML00096 - Malachite pseudo. Azurite
Tsumeb Mine, Tsumeb, Namibia
small cabinet - 6.6 x 5.5 x 2.4 cm
$ 750.00

A very sharp specimen of Malachite after Azurite form Tsumeb. What makes this really special is that it is from the Roebling collection at the Smithsonian. Before that, it was part of the Kegel collection, who was the mine manager of the Tsumeb mine.

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ML00107 - Fluorite & Quartz
Shaft 4, Huanggang Mine, Hexigton Banner, Inner Mongolia, China
cabinet - 10.0 x 6.0 x 3.6 cm
$ 1600.00

An unusual example of fluorite with two distinctly different sized crystals on the same specimen. The larger crystals are up to 2.5 cm and highly modified.

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ML00343 - Pyrargyrite
Level 530, Santa Elena Vein, Proaño Mine, Zacatecas, Mexico
miniature - 3.3 x 2.7 x 2.6 cm
$ 1000.00

A sinlge crystal showing well developed twinning.

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ML00344 - Acanthite ps. Polybasite
Guanajuato, Mexico
miniature - 4.9 x 4.3 x 2.0 cm
$ 225.00

A classic example of acanthite pseudomorphing polybasite from Guanajuato.

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ML00345 - Lead
Langban, Filipstad, Varmland, Sweden
small cabinet - 6.7 x 3.6 x 1.5 cm
$ 600.00

Native lead with calcite from the classic locality in Langban, Sweden

 

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ML00347 - Xanthoconite & Barite
Alte Hoffnung Gottes Mine, Kleinvoightsberg, Freiberg, Erzgebirge, Germany
small cabinet - 5.3 x 4.5 x 2.3 cm
$ 150.00

Exceptionally well formed red translucent Xanthoconite growing between barite crystals. Also ingrown with barite are larger masses of galena.

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ML00350 - Gold
Olinghouse Mine, Washoe County, Nevada, USA
small cabinet - 5.5 x 4.1 x 2.9 cm
$ 950.00

A classic example of Olinghouse gold. Lusterous leaves up to 1cm long occur on this thin quartz veinlet accented by epidote alteration along the vein.

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ML00351 - Gold
Ace of Diamonds Mine, Liberty, Kittitas County, Washington, USA
miniature - 3.4 x 2.3 x 1.3 cm
$ 4500.00

A 23.6 gram mass of intergrown herringbone crystals. A very good example from a highly sought after location that produced a very limited number of good specimens.

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ML00355 - Beryl var. Aquamarine
Shigar Valley, Baltistan, N.A., Pakistan
small cabinet - 6.0 x 1.6 x 1.1 cm
$ 1200.00

Exceptionally clear transparency for the upper 2/3 of the crystal. Albite & muscovite add contrast at the base.

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ML00356 - Pyrargyrite
Pribram, Bohemia, Czech Republic
thumbnail - 1.7 x 0.6 x 0.4 cm
$ 200.00

A well formed elongate single pyrargyrite crystal.

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ML00357 - Fluorite
Weardale, North Pennines, County Durham, England, UK
cabinet - 10.3 x 9.0 x 3.5 cm
$ 3500.00

A good example of interpenetrant twinning enhanced by daylight fluoresence.

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ML00358 - Sphalerite on Quartz epimorph after Fluorite
Derbyshire, England, UK
cabinet - 10.2 x 7.7 3.8 cm
$ 250.00

Black jack sphalerite crystals on quartz epimorphing fluorite. The backside of this piece (where the fluorite was) now has smaller fluorites coated by siderite and tiny clear fluorites.

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