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Alleghanyite Gallery

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Multiple photos availableAlleghanyite : Mn2+5[(OH)2|(SiO4)2]

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]

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 LavinskyPhoto ID: 21573    View Count: 754

Multiple photos availableAlleghanyite : Mn2+5[(OH)2|(SiO4)2]

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

Alleghanyite : Mn2+5[(OH)2|(SiO4)2]

Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

FOV ~ 4.5 cm wide.
This a "panorama" of http://www.mindat.org/photoupload.php?id=164226 but I didn't want to stick it as a child photo. (So shoot me.)
This really needs to be looked at 1920 x 720 (which is what I uploaded - but it got scrunched down to 1024 x 385 ...)
Oct 2009: Brightened up a bit!
Photo ID: 249516    View Count: 36
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