AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Willemite var. Troostite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Willemite var. Troostite from Sterling Mine, Ogdensburg, Sterling Hill, Sussex County, New Jersey

 
Willemite var. Troostite from Sterling Mine, Ogdensburg, Sterling Hill, Sussex County, New Jersey

Photo below under shortwave ultraviolet illumination:
Willemite var. Troostite from Sterling Mine, Ogdensburg, Sterling Hill, Sussex County, New Jersey

DESCRIPTION:No. 38905
Mineral:Willemite var. Troostite
Locality:Sterling Mine, Ogdensburg, Sterling Hill, Sussex County, New Jersey
Description:Two large red-brown willemite (Mn-rich variety troostite) crystals in colorless calcite matrix with minor dark franklinite crystals. The willemite fluoresces bright green under UV illumination, the calcite fluoresces bright orange.
Overall Size:12x8x5 cm
Crystals:4-5 cm
Archived: For reference only

 

 

 

 

 

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