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Mineral Specimens with Pyrolusite
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9.1 x 8.0 x 5.0 cm. This classic specimen features a rich, 7.0 cm vug lined with large, drusy, dark gray metallic-bright pyrolusite crystals to 1.7 cm in a quartz matrix. Ex. Hans Karabecek Collection, a prominent Austrian mineral collector and industrialist, who lived from 1878-1963. He began collecting minerals at the age of 9, and developed a refined sense of taste such that only the very best specimens were selected. His collection went to Harvard after his death. Ex. Harvard Collection.
A rich specimen of German pyrolusite with a fine bronze metallic sheen, formed of radial clusters that have grown into one another from several directions. Actually fairly rare in this quality! 6.8 x 5.2 x 3 cm
6.9 x 6.7 x 5.0 cm. Splendent, acicular crystals of pyrolusite to 6.0 cm, in diverging, radiating sprays on granite matrix form an extremely showy, four-sided specimen from the Gremmelsbach area of the Black Forest, Germany. This area is renowned for its pyrolusite specimens. The note on the back of the German label indicates that the piece was found in 1976.
7.5 x 6.3 x 4.8 cm. Splendent, acicular crystals of pyrolusite to 4.0 cm, in jackstraw, diverging, radiating sprays on granite matrix form a superb, two-sided specimen from the Gremmelsbach area of the Black Forest, Germany. This area is renowned for its pyrolusite specimens. This fine piece probably dates to the 1976 find.
8.0 x 6.3 x 4.2 cm. A classic, old-time pseudomorph specimen from the Ilfeld deposit of Germany. The front of the piece features a dramatic diverging spray of lustrous, metallic-gray manganite after sharp pyrolusite blades set in contrasting, white baryte. The pseudomorphs are in a jackstraw pattern on the back of the piece. These old pieces came out in about 1886-1888 (per Bancroft's book).
9.8 x 6.3 x 3.4 cm. A rare, old-time specimen of nearly solid pyrolusite from the Magma Mine at Superior, Arizona. The matrix is covered on both sides with metallic-bright, radial sprays of pyrolusite lathes to 1.1 cm. Ex. Mullane Collection.
7.3 x 5.9 x 3.8 cm. Clusters of splendent, dark gray pyrolusite blades in jackstraw fashion richly fill a vug lined with starkly contrasting white quartz microcrystals on massive pyrolusite matrix on this fine and uncommon specimen from near Cavnic, Romania. Pyrolusite usually forms as matte-black powdery to fibrous crusts, or sometimes in botryoidal or columnar aggregates, so these metallic blades are an uncommon form. Old-time and uncommon material from the Carl Stentz and John Ydren Collections.
5.2 x 4.8 x 1.4 cm. A brilliant plate of lustrous Pyrolusite. The fine, bladed Pyrolusites crystals cluster together to make beautiful and distinctive spheres averaging .8 cm across. Superb luster. Very attractive. Ex. Charlie Key.
9.2 x 4.6 x 2.1 cm. Pyrolusite (manganese oxide) is not typically seen in specimens that are actually aesthetic; but this 2008 find in New Mexico was an exception. Here, you see it having formed tightly packed "books" of crystals that together create this shimmering, silvery-grey specimen.
12.7 x 7.8 x 7.4 cm. Metallic, lustrous, diverging sprays of pyrolusite blades to 3.7 cm are embedded in massive, cabinet-sized, manganese ore on this excellent old-time specimen from Conselheiro Lafaiete, Brazil. This manganese mine opened in 1894. It is much better known for the recent finds of superlative, gemmy, cherry-red rhodonite. Classic, very rich, older material from the Dennis Mullane Collection. Weighs 3.1 pounds.
6.3 x 4.5 x 1.4 cm. A very hairy specimen of fine, acicular crystals, seldom preserved in good quality. Very interesting material. It is actually really pretty, with a look of fine silk to the lustre, and soft velvet in texture. Ex. Harold Urish Collection.
4.4 x 4.0 x 1.6 cm. Pyrolusite (manganese oxide) is not typically seen in specimens that are actually aesthetic; but this 2008 find in New Mexico was an exception. Here, you see it having formed tightly packed "books" of crystals that together create this shimmering, silvery-grey specimen. This sculptural plate is an excellent representation from the lot we obtained.
A showy, pristine stalactite of nubby, matte-finish, black pyrolusite crystals from the famed Nchwaning I Mine of South Africa. The basal fringe adds character to this excellent piece. 3.2 x 3.0 x 2.3 cm
This is an old German pyrolusite out of the Paul Jung collection of classics, very rich, showing the tightly-packed acicular crystals with radial growth that culminates in a "fuzzy" surface on top. Rare in quality, for this old locale. 5 x 4 x 3.8 cm
CABINET-sized plate, elegant and beautiful!
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Rob Lavinsky, rob@irocks.com
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share specimen![Pyrolusite from Marie Terezie vein, Horní Blatná (Platten), Horní Blatná (Platten) District, Jáchymov (St Joachimsthal) District, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia [db_pics/mdpics/MD-199590a.jpg]](db_pics/mdpics/MD-199590a.jpg)
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![Pyrolusite from Gremmelsbach, Triberg, Black Forest, Baden-Württemberg, Germany [db_pics/mdpics/MD-205950a.jpg]](db_pics/mdpics/MD-205950a.jpg)
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![Pyrolusite from Magma Mine (Magma Superior Mine; Irene claim; Hub claim; Pomeroy; Superior Division; Silver Queen; Monarch claim; Magma Copper Mine; Broken Hill; Apex), Superior, Pioneer District, [db_pics/mdpics/MD-229779b.jpg]](db_pics/mdpics/MD-229779b.jpg)
![Pyrolusite from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-238832a.jpg]](db_pics/mdpics/MD-238832a.jpg)
![Pyrolusite from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-238832b.jpg]](db_pics/mdpics/MD-238832b.jpg)
![Pyrolusite from N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-244436a.jpg]](db_pics/mdpics/MD-244436a.jpg)
![Pyrolusite from N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-244436b.jpg]](db_pics/mdpics/MD-244436b.jpg)
![Pyrolusite from Las Cruces, Doña Ana Co., New Mexico, USA [db_pics/mdpics/MD-266158a.jpg]](db_pics/mdpics/MD-266158a.jpg)
![Pyrolusite from Las Cruces, Doña Ana Co., New Mexico, USA [db_pics/mdpics/MD-266158b.jpg]](db_pics/mdpics/MD-266158b.jpg)
![Pyrolusite from Morro da Mina Mine, Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-270194a.jpg]](db_pics/mdpics/MD-270194a.jpg)
![Pyrolusite from Morro da Mina Mine, Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-270194b.jpg]](db_pics/mdpics/MD-270194b.jpg)
![Pyrolusite from Socorro Co., New Mexico, USA [db_pics/mdpics/MD-282709a.jpg]](db_pics/mdpics/MD-282709a.jpg)
![Pyrolusite from Socorro Co., New Mexico, USA [db_pics/mdpics/MD-282709b.jpg]](db_pics/mdpics/MD-282709b.jpg)
![Pyrolusite from Las Cruces, Doña Ana Co., New Mexico, USA [db_pics/mdpics/MD-284861a.jpg]](db_pics/mdpics/MD-284861a.jpg)
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![Pyrolusite from Elgersburg, Ilmenau, Thuringian Forest, Thuringia, Germany [db_pics/mdpics/MD-83321a.jpg]](db_pics/mdpics/MD-83321a.jpg)
![Pyrolusite from Dona Ana County, New Mexico, USA [db_pics/pics/pyrol-01a.jpg]](db_pics/pics/pyrol-01a.jpg)
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