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ML00319 - Axinite
Puiva Mine, Beresovak District, Sub-Polar Urals, Tyumen Oblast, Russia
small cabinet - 5.6 x 5.3 x 3.5 cm
$ 900.00

A nice spray of transparent to translucent crystals. The locality is now closed down.


(click on an image to enlarge)

Axinite from Puiva Mine, Beresovak District, Sub-Polar Urals, Tyumen Oblast, Russia [db_pics/update5/ML00319a.jpg]




ML00320 - Braunite
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
miniature - 4.2 x 3.3 x 1.7 cm
$ 100.00

Sharp well formed crystals of this unusual manganese silicate mineral. It has a dramatic metallic look for a silicate mineral.


(click on an image to enlarge)

Braunite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa [db_pics/update5/ML00320a.jpg] Braunite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa [db_pics/update5/ML00320b.jpg]




ML00056 - Azurite
Rancho Santa Rosa, Concepcion del Oro, Zacatecas, Mexico
small cabinet - 5.2 x 4.8 x 3.5 cm
$ 1600.00

This prospect was mined for use as color pigments. A small batch of well formed crystals was found during mining in the 1980s, and this piece was one from that lot.


(click on an image to enlarge)

Azurite from Rancho Santa Rosa, Concepcion del Oro, Zacatecas, Mexico [db_pics/update3/ML00056a.jpg] Azurite from Rancho Santa Rosa, Concepcion del Oro, Zacatecas, Mexico [db_pics/update3/ML00056b.jpg]




ML00076 - Malachite
Shaba Cu Belt, Katanga (Shaba), Congo (Zaire)
small cabinet - 9.0 x 4.6 x 3.0 cm
$ 450.00

The needle like Malachite crystals give a nice chatoyant affect to the specimen.


(click on an image to enlarge)

Malachite from Shaba Cu Belt, Katanga (Shaba), Congo (Zaire) [db_pics/update3/ML00076a.jpg]




ML00324 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 6.5 x 3.0 x 1.0 cm
$ 7500.00

This is a prime example of Round Mountain gold showing many of the classic textures that make the mine famous. It is a heavy sharp leaf showing herringbone structures with twinned crystals growing off of the herringbones. Additionally there are larger crystals growing along the edge of the leaf. This is a fantastic gold.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00324a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00324b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00324c.jpg]




ML00325 - Gold
Round Mountain Mine, Nye County, Nevada, USA
miniature - 4.2 x 3.5 x 2.9 cm
$ 5000.00

This 3 dimensional gold specimen exhibits the buttery yellow color typical of golds from the oxidized zone. Important textures include rhombohedral patterns to the leaves that is explained by gold growing along calcite cleavage planes. On top of the leaves are numerous gold crystals with cubic and octohedral crystal faces.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00325a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00325b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00325c.jpg]




ML00326 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 6.7 x 3.5 x 2.3 cm
$ 14500.00

This large gold is a compact mass of intergrown gold crystals, many of which exhibit spinel law twinning.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00326a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00326b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00326c.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00326d.jpg]




ML00327 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 5.3 x 3.6 x 2.5 cm
$ 7500.00

At first glance, one sees some shiny leaves completly covered with gold crystals. Upon closer inspection, one realzies that most of these crystals are well formed cubes, the larger of which are up to 0.5 cm on edge. Looking at this specimen, it is hard to believe that cubic gold is actually a rare occurance. 


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00327a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00327b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00327c.jpg]




ML00328 - Gold
Round Mountain Mine, Nye County, Nevada, USA
miniature - 3.9 x 2.1 x 1.7 cm
$ 3000.00

This gold is typical of the intermediate zone located between the oxidized and sulfide ore. As with many Round Mountain golds, there are stacked cubes which have twinned off the primary leaf.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00328a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00328b.jpg]




ML00329 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 7.5 x 7.3 x 1.7 cm
$ 11000.00

This "stellar" piece is a very heavy leaf thickly covered with large crystals exhibiting both cubic and octohedral crystal habits.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00329a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00329b.jpg]




ML00330 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 8.0 x 5.7 x 4.5 cm
$ 24000.00

This large matrix gold shows textbook epimorphic leaf growth along the previous rhombohedral calcite crystal planes. Second generation crystal growth sprouting off of the leaves adds texture and relief in the form of cube and octohedral gold faces.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00330a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00330b.jpg]




ML00333 - Gold
Round Mountain Mine, Nye County, Nevada, USA
miniature - 4.7 x 2.7 x 2.0 cm
$ 10000.00

This is one of the best examples of spinel law twinned gold crystals on matrix ever found at Round Mountain. The crystals show slight hoppering indicative of rapid crystal growth.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00333a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00333b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00333c.jpg]




ML00334 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 5.9 x 3.6 x 1.6 cm
$ 15000.00

The undulatory nature of this golf leaf is the result of distortion within the vein due to Basin and Range faulting. The net result is that the lusterous twinned crystals along the face of the leaf reflect light sequentially as the specimen is rotated. This is one of my all time favorite specimens from the mine.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00334a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00334b.jpg]




ML00335 - Gold
Round Mountain Mine, Nye County, Nevada, USA
small cabinet - 6.1 x 3.4 x 2.5 cm
$ 9000.00

These heavy leaves stand up nicely off the matrix. Stout spinel law twin and cubeoctohedron crystals gro both between the leaves.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00335a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00335b.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00335c.jpg]




ML00336 - Gold
Round Mountain Mine, Nye County, Nevada, USA
miniature - 3.9 x 2.0 x 0.8 cm
$ 1400.00

Some golds from Round Mountain require very little cleaning. This specimen had only a small amount of sericite clay that was washed off in order to expose these large hoppered octoheral crystals on the edge of the leaves.


(click on an image to enlarge)

Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00336a.jpg] Gold from Round Mountain Mine, Nye County, Nevada, USA [db_pics/update5/ML00336b.jpg]


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