Mineral Specimens with Jamesonite

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MD-119124 - Calcite, Jamesonite - - Archived
Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania
miniature, 3.9 x 3.0 x 2.3 cm.
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Calcite, Jamesonite from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-119124a.jpg]

3.9 x 3.0 x 2.3 cm. A perfect dome of calcite, tinted a beautiful dove-grey by inclusions of jamesonite - from Romania. These sometimes also take the form of aggregates of bladed crystals from different pockets at the same locality. Quite a unique calcite form and color that you do not see from anywhere else! These were once common in the early 90s, not so now.

MD-146668 - Stannite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 4.3 x 3.3 x 2.7 cm.
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Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-146668a.jpg]		CLICK HERE FOR LARGER IMAGE:
Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-146668b.jpg]

4.3 x 3.3 x 2.7 cm. These specimens came out about two years ago, and until recently, their identity wasn’t known for sure. From the beginning they were speculated as being Stannite with Jamesonite, and that’s what they turned out to be. Most people who are fans of Bolivian minerals are probably familiar with the classic Stannite and Zinkenite association specimens from San Jose that were found circa WWII, but these new specimens are much more rare, and are the only association of Stannite with Jamesonite, that I have seen from any locality. The specimen features several sharp, twinned crystals of Stannite measuring up to 1.1 cm sitting atop and mixed with a matrix of acicular Jamesonite crystals and are associated with minor Andorite crystals. This piece is one of the better pieces of this rare and unusual combination of these two species. Stannite is copper iron tin sulfide and some of the best pieces of this material come from this mine. This is a very choice specimen of a hard to find association from Bolivia! A very unique specimen for these rare minerals. Ex. Brian Kosnar Collection.

MD-158798 - Jamesonite, Pyrite - - Archived
Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico
small cabinet, 5.3 x 5.3 x 4.3 cm.
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Jamesonite, Pyrite from Noche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico [db_pics/mdpics/MD-158798a.jpg]

5.3 x 5.3 x 4.3 cm. Another Zacatecas specimen from the collection of Charles Hansen, this one quite hard to obtain: a rich specimen of acicular jamesonite, a mass of thousands of tiny grey hair-like crystals, on matrix. Old 1960s and 1970s material.

MD-166751 - Calcite, Jamesonite - - Archived
Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania
small cabinet, 5.7 x 5.3 x 3.3 cm.
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Calcite, Jamesonite from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-166751a.jpg]

5.7 x 5.3 x 3.3 cm. A beautiful flower of gray calcite from Eastern Europe - actually consisting of stacked, thin, flattened RHOMBS, though they do not appear to be at first glance. Highly aesthetic, and in pristine condition. This is a superb example for the size, similar to pieces you might find at shows in the mid to late 90s.

MD-188168 - Jamesonite - - Archived
Zacatecas, Mexico
cabinet, 11.3 x 3.9 x 2.5 cm.
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Jamesonite from Zacatecas, Mexico [db_pics/mdpics/MD-188168a.jpg]		CLICK HERE FOR LARGER IMAGE:
Jamesonite from Zacatecas, Mexico [db_pics/mdpics/MD-188168b.jpg]

11.3 x 3.9 x 2.5 cm. Jamesonite (Lead Iron Antimony Sulfide) is one of a few sulfide minerals that form fine acicular crystals that appear as hair-like fibers. Jamesonite has been called feather ore and grey antimony.

MD-189280 - Jamesonite, Pyrargyrite, Tetrahedrite - - Archived
Bolivia
small cabinet, 7.2 x 5.4 x 3.7 cm.
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Jamesonite, Pyrargyrite, Tetrahedrite from Bolivia [db_pics/mdpics/MD-189280a.jpg]

7.2 x 5.4 x 3.7 cm. A most unusual specimen with sharp jamesonite crystals, elongated lustrous pyrargyrite, all on a matrix of weirdly crystallized tetrahedrite.

MD-196013 - Franckeite (Var: Potosíite), Franckeite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 8.2 x 4.4 x 2.1 cm.
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Franckeite (Var: Potosíite), Franckeite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-196013a.jpg]
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Franckeite (Var: Potosíite), Franckeite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-196013b.jpg]		CLICK HERE FOR LARGER IMAGE:
Franckeite (Var: Potosíite), Franckeite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-196013c.jpg]

8.2 x 4.4 x 2.1 cm. From the find of 2004, this specimen hosts two rare sulfosalts. This specimen is a 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 piece has a small amount of associated acicular Jamesonite as well. The Potosiite has been positively identified through X-ray Diffraction.

MD-196025 - Stannite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 4.6 x 3.8 x 2.8 cm.
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Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-196025a.jpg]		CLICK HERE FOR LARGER IMAGE:
Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-196025b.jpg]

4.6 x 3.8 x 2.8 cm. This specimen features several sharp, twinned crystals of Stannite sitting atop and mixed with a matrix of acicular Jamesonite crystals and are associated with minor gemmy brown Cassiterite crystals. Stannite is copper iron tin sulfide.

MD-199657 - Jamesonite - - Archived
Porvenir mine, Huanuni, Dalence Province, Oruro Department, Bolivia
cabinet, 11.2 x 11.0 x 3.2 cm.
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Jamesonite from Porvenir mine, Huanuni, Dalence Province, Oruro Department, Bolivia [db_pics/mdpics/MD-199657a.jpg]

11.2 x 11.0 x 3.2 cm. A massively heavy specimen of pure jamesonite, with flat-laying acicular crystals atop ore, from one of the famous Vaux expeditions in the early 1900s. Rare in such size and richness. There may be other rare species present here, to be identified from thin sections, as much of interest was found in the old deposits here. Ex. Philadelphia Academy of Sciences Collection.

MD-210568 - Stannite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 5.3 x 3.7 x 3.2 cm.
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Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-210568a.jpg]		CLICK HERE FOR LARGER IMAGE:
Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-210568b.jpg]

5.3 x 3.7 x 3.2 cm. These specimens came out about two years ago, and until recently, their identity wasn’t known for sure. From the beginning they were speculated as being Stannite with Jamesonite, and that’s what they turned out to be. Most people who collect Bolivian minerals are probably familiar with the classic Stannite and Zinkenite association specimens from San Jose that were found circa WWII, but these new specimens are much more rare, and are the only association of Stannite with Jamesonite, that I have seen from any locality. The specimen features several sharp, twinned crystals of Stannite measuring up to 0.8 cm sitting atop and mixed with a matrix of acicular Jamesonite crystals and are associated with minor Andorite crystals. Stannite is copper iron tin sulfide and some of the best pieces of this material come from this mine.

MD-221051 - Jamesonite - - Archived
Port Quin Mine, Port Quin, St Minver, Area West of Wadebridge, Wadebridge District, Cornwall, England, UK
miniature, 4.6 x 2.8 x 1.4 cm.
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Jamesonite from Port Quin Mine, Port Quin, St Minver, Area West of Wadebridge, Wadebridge District, Cornwall, England, UK [db_pics/mdpics/MD-221051a.jpg]		CLICK HERE FOR LARGER IMAGE:
Jamesonite from Port Quin Mine, Port Quin, St Minver, Area West of Wadebridge, Wadebridge District, Cornwall, England, UK [db_pics/mdpics/MD-221051b.jpg]

4.6 x 2.8 x 1.4 cm. A unique, old-time Cornwall specimen with a fabulous provenance. The piece is solid, metallic-gray bright jamesonite microcrystals. Cornwall is the Type Locality for jamesonite, but massive jamesonite specimens, such as this are rare. The beautifully handwritten label indicates that this classic specimen was personally collected by Sir Arthur Russell on the dumps of this much less well-known mine in 1906. Ex. Mullane Collection.

MD-228437 - Stannite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
miniature, 3.7 x 3.4 x 2.4 cm.
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Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-228437a.jpg]		CLICK HERE FOR LARGER IMAGE:
Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-228437b.jpg]

3.7 x 3.4 x 2.4 cm. These specimens came out about a year ago, and until recently, their identity wasn’t known for sure. From the beginning they were speculated as being Stannite with Jamesonite, and that’s what they turned out to be. Most people interested in Bolivian minerals are probably familiar with the classic Stannite and Zinkenite association specimens from San Jose that were found circa WWII, but these new specimens are much rarer and are the only association of Stannite with Jamesonite that I have seen from any locality. The specimen features several small, sharp, lustrous, metallic, "brass" colored crystals of Stannite sitting atop and mixed with a matrix of bright, metallic, needle-like Jamesonite crystals. Stannite is copper iron tin sulfide and some of the best pieces of this material come from this mine.

MD-237603 - Stannite, Jamesonite - - Archived
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
small cabinet, 6.3 x 6.2 x 2.9 cm.
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Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-237603a.jpg]		CLICK HERE FOR LARGER IMAGE:
Stannite, Jamesonite from San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia [db_pics/mdpics/MD-237603b.jpg]

6.3 x 6.2 x 2.9 cm. These specimens came out about two years ago, and until recently, their identity wasn’t known for sure. From the beginning they were speculated as being Stannite with Jamesonite, and that’s what they turned out to be. Most people who are fans of Bolivian minerals are probably familiar with the classic Stannite and Zinkenite association specimens from San Jose that were found circa WWII, but these new specimens are much more rare, and are the only association of Stannite with Jamesonite, that I have seen from any locality. The specimen features several sharp, lustrous, metallic, brassy colored, twinned crystals of Stannite sitting atop and mixed with a matrix of acicular Jamesonite crystals. Stannite is copper iron tin sulfide and some of the best pieces of this mineral come from this mine.

MD-239900 - Jamesonite, Pyrite - - Archived
Zacatecas, Mun. de Zacatecas, Zacatecas, Mexico
small cabinet, 8.4 x 5.2 x 4.9 cm.
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Jamesonite, Pyrite from Zacatecas, Mun. de Zacatecas, Zacatecas, Mexico [db_pics/mdpics/MD-239900a.jpg]
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Jamesonite, Pyrite from Zacatecas, Mun. de Zacatecas, Zacatecas, Mexico [db_pics/mdpics/MD-239900b.jpg]		CLICK HERE FOR LARGER IMAGE:
Jamesonite, Pyrite from Zacatecas, Mun. de Zacatecas, Zacatecas, Mexico [db_pics/mdpics/MD-239900c.jpg]

8.4 x 5.2 x 4.9 cm. Nests of scintillating, soft-to-the-touch, hair-like, jamesonite needles to about 1.5 cm richly cover the front of the mounded matrix of sulfides on this classic specimen from Zacatecas, Mexico. A lustrous, 6 mm, pyrite crystal on top of the matrix is a nice touch. Ex. Mullane Collection. This piece dates to the 1960s or 1970s.

MD-24470 - Arsenopyrite, Jamesonite - - Archived
Zacatecas, Mexico
cabinet, 13.2 x 8.3 x 7 cm
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Arsenopyrite, Jamesonite from Zacatecas, Mexico [db_pics/mdpics/MD-24470a.jpg]

Glistening and metallic specimen with sharp arsenopyrite xls to 1 cm and also an exceptionally rich "nest" of silvery acicular jamesonite crystals on the other side - all perched on massive sphalerite. ex. Dr. Gary Hansen dealer stock and not shown since early 1980s. 13.2 x 8.3 x 7 cm


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