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Alleghanyite : Mn2+5[(OH)2|(SiO4)2] | |
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Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Picture width is 3mm. Pink crystalline mass of Alleghanyite. |
| © Elmar Lackner | Photo ID: 76316 View Count: 337 |
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Långban, Filipstad, Värmland, Sweden Crystals (1 mm for the biggest shown here) and grains of light pink alleghanyite in manganiferous skarn matrix. Association up to be analyzed. |
| © Ł Kruszewski 2007 | Photo ID: 133611 View Count: 183 |
Alleghanyite : Mn2+5[(OH)2|(SiO4)2] | |
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Nordmark, Filipstad, Värmland, Sweden Alleghanyite(pink) and a unknown mineral(yellow). Size picture 5 mm. Collection and photo Kjell Gatedal. |
| © Kjell Gatedal | Photo ID: 84391 View Count: 306 |
Alleghanyite : Mn2+5[(OH)2|(SiO4)2] | |
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Sunnyside Mine (American Tunnel; Mogul Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Sunnyside Mine Group), Howardsville, Silverton District, San Juan Co., Colorado, USA These crystals, despite their size, are some of the finest color, exceptionally well crystallized Alleghanyites you''ll see from any locality. Typically Alleghanyite forms in pinkish-grey or pinkish-brown color crystals, if they''re even crystallized at all (most Alleghanyite I''ve seen is anhedral and good crystals are few and far between in this ... |
| © Rob Lavinsky | Photo ID: 70403 View Count: 353 |
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Franklin, Franklin Mining District, Sussex Co., New Jersey, USA Red-brown alleghanyite with intermixed willemite, in calcite matrix. Child photo is the same, with short-wave fluorescent illumination, showing willemite pattern. S406-036 #949# 8 cm sample. |
| © 2008, JGW | Photo ID: 151656 View Count: 145 |
Alleghanyite : Mn2+5[(OH)2|(SiO4)2] | |
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Franklin, Franklin Mining District, Sussex Co., New Jersey, USA Harvard Museum, specimen no. 91179. Field of view is about 7 cm across. |
| © 2007 Peter Cristofono | Photo ID: 138920 View Count: 128 |
Alleghanyite : Mn2+5[(OH)2|(SiO4)2], Baryte : BaSO4 | |
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Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA Note the fine parallel striations that run perpendicular to the axis of the prism. These crystals were at first thought to be Leucohoenicite but were later proved to be alleghanyite. This specimen was found at Franklin, NJ in the late 1920's. It was also found in this form, as single crystals, on the Buckwheat Dump in 2001. Field of view is 7mm. |
| Photo ID: 261603 View Count: 15 | |
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Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Modris Baum collection. FOV 2.8 x 2.2 mm. Ex D. Phister via Franklin Mineral Museum. Mine not given but is probably Sterling Hill. The child photo is a stereo view. |
| Photo ID: 165727 View Count: 300 | |
Alleghanyite : Mn2+5[(OH)2|(SiO4)2] | |
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Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA Alleghanyite is an exceptionally rare member of the humite group, and this specimen is unusually rich with gemmy brown microcrystals to 2 mm flatlaying along an approximately 3-cm vertical axis on this specimen . The matrix is a typical mix of franklinite/calcite/willemite and is highly fluorescent. 11 x 6.5 x 4 cm |
| © Rob Lavinsky | Photo ID: 21573 View Count: 753 |
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Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA FOV ~ 2.3 cm wide. Largest xls ~ 2.5 mm. This specimen was purchased (as allactite) directly from a miner. It was visually identified as alleghanyite by John Cianciulli. The true color of the xls is a deep reddish brown. This can seen in the broken xls at the bottom center. Unbroken xls are covered by an unidentified translucent coating which ... |
| Photo ID: 164226 View Count: 225 | |
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