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4MB14 - FRANCKEITE - $ 95 SOLD SAN JOSE MINE, ORURO, BOLIVIA thumbnail, 2.2 X 1.5 X 1.2 cm
This region provided the type locality for this mineral. This lovely specimen appears to be two rather large (approx. .5 cm) spherical aggregates covered by tiny crystals. A very good specimen for the species.
MD-117512 - Franckeite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia thumbnail, 2.8 x 2.8 x 1.9 cm.
2.8 x 2.8 x 1.9 cm. Brilliant radiating needles of Teallite intergrown into a large, seemingly massive specimen. An excellent specimen, and quite rare in this quality of bright, compact crystals.
MD-118283 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 5.5 x 4.2 x 2.2 cm.
5.5 x 4.2 x 2.2 cm. From the new 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 6 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 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. This new find has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine.
MD-119407 - Franckeite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia miniature, 3.3 x 2.5 x 1.5 cm.
3.3 x 2.5 x 1.5 cm. This specimen is a very rich, incredibly rare, superb quality, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals oriented into spherical aggregates forming the shape of a flower.
MD-119410 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia thumbnail, 3.1 x 2.1 x 1.8 cm.
3.1 x 2.1 x 1.8 cm. 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 6 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 for the species.
MD-120243 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia miniature, 4.5 x 3.7 x 2.6 cm.
4.5 x 3.7 x 2.6 cm. From the new 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 5 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 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. This new find has completely redefined the species of Potosiite.
MD-130362 - Franckeite (Var: Potosíite), Franckeite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 7.8 x 6.3 x 4.5 cm.
7.8 x 6.3 x 4.5 cm. Potosiite and franckeite are RARE sulfosalts. This is a SUPERB and VERY RICH, pristine specimen of radial clusters of lathe-shaped potosiite blades to 4mm totally covering starburst-shaped clusters of lustrous, elongated franckeite blades. This is from 2 years ago, some small finds at the San Jose Mine of Bolivia in the same part of the mine (mining out pillars) where they found potosiite some 60 years ago.
MD-132026 - Franckeite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia cabinet, 10.4 x 5.7 x 4.3 cm.
10.4 x 5.7 x 4.3 cm. This is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, superb quality, 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 piece is a great small cabinet specimen for somebody looking to own a rare and highly displayable mineral specimen. 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-139654 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia miniature, 4.2 x 3.5 x 2.8 cm.
4.2 x 3.5 x 2.8 cm. From the new 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 8 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 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. This new find (2004) has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine.
MD-146671 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia miniature, 4.1 x 3.7 x 2.3 cm.
4.1 x 3.7 x 2.3 cm. From the new 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 5 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 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. This new find has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine. Ex. Brian Kosnar Collection.
MD-152208 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 9 x 6.8 x 2.7 cm.
9 x 6.8 x 2.7 cm. From the new 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, 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 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. This new find has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine. Ex. Brian Kosnar.
MD-152214 - Franckeite, Zinkenite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia miniature, 3.7 x 2.5 x 2.2 cm.
3.7 x 2.5 x 2.2 cm. This is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, superb quality, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals oriented into spherical aggregates forming the shape of a flower. They are associated with very rare silvery, prismatic "needles" of Zinkenite, which is a very uncommon association from any locality. Franckeite 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 are few and far between. Ex. Brian Kosnar.
MD-157624 - Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 6.0 x 4.2 x 2.6 cm.
6.0 x 4.2 x 2.6 cm. From the new 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, highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 5 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 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. This new find has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from the newly opened vein in this historic mine in 2004. Ex. Brian Kosnar.
MD-157641 - Franckeite, Galena, Franckeite (Var: Potosíite) - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 6.5 x 5.0 x 2.1 cm.
6.5 x 5.0 x 2.1 cm. Franckeite is one of the rarest sulfosalts in the world. This specimen is a very rich, incredibly rare, superb quality, crystallized specimen of the triclinic lead, tin, iron, antimony sulfosalt Franckeite consisting of somewhat "sword"-shaped crystals oriented into spherical aggregates. The piece is associated with grey, metallic Galena crystals and one small, but very rare crystal of Potosiite, which is the small "curved" crystal in the close-up photo below. This piece is a great small cabinet specimen for somebody looking to own a very rare and displayable mineral specimen. A good opportunity to acquire something that is rarely offered in the open market for a great price. Franckeite and Potosiite belong 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 are few and far between. Ex. Brian Kosnar.
MD-164019 - Franckeite (Var: Potosíite), Franckeite - - Archived San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia small cabinet, 5.9 x 4.0 x 2.1 cm.
5.9 x 4.0 x 2.1 cm. From the new 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 highly lustrous, heavily striated, tabular blades (some are twinned) of Potosiite measuring up to 9 mm (!) sitting atop crystals of 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 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. This new find has completely redefined the species of Potosiite. The crystals on this specimen are NOT micros, you can clearly see them with the naked eye and they are very distinct. These are undoubtedly some of the LARGEST KNOWN POTOSIITE CRYSTALS IN EXISTENCE. The Potosiite has been positively identified through X-ray Diffraction. This specimen is from a newly opened vein in this historic mine. Ex. Brian Kosnar.
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