Mineral Specimens with Franckeite

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MD-238640 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
cabinet, 10.3 x 5.5 x 3.1 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-238640a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-238640b.jpg]

10.3 x 5.5 x 3.1 cm. From the find of 2004, this specimen hosts two of the rarest sulfosalts in the world. This specimen is a very attractive, very rare, superb quality, crystallized specimen of the triclinic lead, antimony, iron, tin sulfosalt Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 7 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized granules less than 1 mm in most cases.

MD-240639 - Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 6.7 x 5.4 x 3.3 cm.
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Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-240639a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-240639b.jpg]

6.7 x 5.4 x 3.3 cm. This specimen is over 30 years old and was part of the best find of the material. There were only a handful of good specimens, and well crystallized pieces like this are few and far between. This is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, fine, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of small bladed crystals forming spherical aggregates on matrix. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals.

MD-243426 - Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 7.0 x 5.2 x 2.7 cm.
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Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-243426a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-243426b.jpg]

7.0 x 5.2 x 2.7 cm. This specimen is over 30 years old and was part of the best find of the material. There were only a handful of good specimens, and well crystallized pieces like this are few and far between. This is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, superb, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of small bladed crystals forming spherical aggregates on matrix. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals.

MD-244483 - Franckeite (Var: Potosíite) - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 5.4 x 4.3 x 4.2 cm.
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Franckeite (Var: Potosíite) from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-244483a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite) from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-244483b.jpg]

5.4 x 4.3 x 4.2 cm. From the find of 2004, this specimen hosts two of the rarest sulfosalts in the world. This specimen is a very attractive, incredibly rare, superb quality, crystallized specimen of the triclinic lead, antimony, iron, tin sulfosalt Potosiite consisting of several, extremely rare, From the find of 2004, these highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 7 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. For those of you who are unaware, the crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, un-crystallized, granules less than 1 mm. in most cases.

MD-246297 - Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 7.1 x 4.6 x 2.0 cm.
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Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-246297a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-246297b.jpg]

7.1 x 4.6 x 2.0 cm. This is one of the rarest sulfosalts in the world. This specimen is a very rich, very rare, fine, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals forming a very attractive specimen. There are minor associated Quartz crystals intermixed among the Franckeite blades. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals. This specimen is over 30 years old and was part of the best find of the material. There were only a handful of good specimens, and well crystallized pieces are rare.

MD-247614 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
cabinet, 9.8 x 6.3 x 3.4 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-247614a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-247614b.jpg]

9.8 x 6.3 x 3.4 cm. From the find of 2004, this specimen hosts two of the rarest sulfosalts in the world. This specimen is a very attractive, very rare, fine quality, crystallized specimen of the triclinic lead, antimony, iron, tin sulfosalt Potosiite consisting of several extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 9 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large for the species. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized, granules less than 1 mm. in most cases. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine in 2004.

MD-250319 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 7.3 x 6.6 x 2.9 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-250319a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-250319b.jpg]

7.3 x 6.6 x 2.9 cm. From the find of 2004, this specimen hosts two of the rarest sulfosalts in the world. This specimen is a very attractive, incredibly rare, superb, crystallized specimen of the triclinic lead, antimony, iron, tin sulfosalt Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 9 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized, granules less than 1 mm. in most cases. Ex. Brian Kosnar Collection.

MD-251009 - Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 6.0 x 5.0 x 3.8 cm.
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Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-251009a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-251009b.jpg]

6.0 x 5.0 x 3.8 cm. This specimen is a very rich, very rare, superb, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals oriented into spherical aggregates sitting on matrix. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals. This specimen is over 30 years old and was part of the best find of the material. There were only a handful of good specimens, and well crystallized display pieces like this (especially on matrix) are few and far between.

MD-252663 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 7.1 x 5.8 x 3.0 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-252663a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-252663b.jpg]

7.1 x 5.8 x 3.0 cm. From the find of 2004, this specimen hosts two of the rarest sulfosalts in the world. This specimen is a very attractive, very rare, superb, crystallized specimen of the triclinic lead, antimony, iron, tin sulfosalt Potosiite consisting of several, very rare, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 10.5 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized, granules less than 1 mm. in most cases. The crystals on this specimen are not micros, you can clearly see them with the naked eye and they are very distinct. Ex. Brian Kosnar Collection.

MD-257270 - Franckeite (Var: Potosíite) - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 5.8 x 5.3 x 2.3 cm.
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Franckeite (Var: Potosíite) from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-257270a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite) from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-257270b.jpg]

5.8 x 5.3 x 2.3 cm. From the great find of 2004. This specimen is a very attractive, very rare, superb, crystallized specimen of Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) of measuring up to 6 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized granules less than 1 mm in most cases. This find completely redefined Potosiite. I have been told that the part of the mine that produced these specimens is now mined out and will most likely never produce these impressive specimens again.

MD-260024 - Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 3.9 x 3.3 x 2.8 cm.
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Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-260024a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-260024b.jpg]

3.9 x 3.3 x 2.8 cm. This specimen is over 60 years old and was part of one of the best finds of the material right after the end of WWII. Only a handful of good specimens made their way to the United States, and well crystallized are few and far between. This is one of the rarest sulfosalts in the world. This specimen is a very rich, very rare, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of small bladed crystals forming spherical aggregate. This species belongs to the only group of minerals that forms in naturally "round" or "cylindrical" shaped crystals. This piece was from Richard Kosnar's well known Bolivian Collection, and the label indicates that it was once in the collection of the father of Bolivian Mineralogy, Federico Ahlfeld.

MD-263174 - Franckeite (Var: Potosíite), Franckeite - - Archived
Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 4.8 x 4.0 x 3.2 cm.
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Franckeite (Var: Potosíite), Franckeite from Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-263174a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-263174b.jpg]

4.8 x 4.0 x 3.2 cm. The crystals of Potosiite on this specimen are certainly among the largest in the world. This piece is from the great find of 2004. This specimen is a very attractive, very rare, superb, crystallized specimen of Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades - some are twinned - and two of which measure 17 mm and 15 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized granules less than 1 mm in most cases. This find completely redefined Potosiite.

MD-266900 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 5.8 x 4.4 x 3.5 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-266900a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-266900b.jpg]

5.8 x 4.4 x 3.5 cm. From the great find of 2004. This specimen is a very attractive, incredibly rare, superb, crystallized specimen Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) measuring up to 7 mm sitting atop a crystallized mound of the rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized granules less than 1 mm in most cases.

MD-273348 - Franckeite (Var: Potosíite), Franckeite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 4.3 x 3.2 x 2.3 cm.
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Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-273348a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-273348b.jpg]

4.3 x 3.2 x 2.3 cm. The crystals of Potosiite on this specimen have to be among the largest in the world. This piece is from the great find of 2004. This specimen is a very attractive, very rare, superb, crystallized specimen of Potosiite consisting of several extremely rare, highly lustrous, heavily striated, tabular blades - some are twinned - measuring up to 9 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, uncrystallized granules less than 1 mm in most cases. This find completely redefined Potosiite. I have been told that the part of the mine that produced these specimens is now mined out and will most likely never produce these impressive specimens again.

MD-278422 - Franckeite (Var: Potosíite), Franckeite, Galena - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 4.0 x 3.4 x 1.7 cm.
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Franckeite (Var: Potosíite), Franckeite, Galena from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-278422a.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite, Galena from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-278422b.jpg]

4.0 x 3.4 x 1.7 cm. From the great find of 2004. This specimen is a very attractive, very rare, fine, crystallized specimen of Potosiite consisting of several, extremely rare, highly lustrous, heavily striated, tabular blades (some are twinned) of measuring up to 5 mm sitting atop crystallized and the equally rare triclinic lead, tin, iron, antimony sulfosalt Franckeite with minor crystals of Galena. The crystals of Potosiite on this specimen are exceptionally large. Before these new specimens were discovered, some of the largest known crystals of Potosiite were massive, un-crystallized, granules less than 1 mm in most cases. This find completely redefined Potosiite.


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