AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New York > Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite

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

   

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

 
Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

Photo below under longwave ultraviolet illumination:
Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite from ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York

DESCRIPTION:No. 73666
Mineral:Magnetite (rare cubic and tetrahexahedral crystal form) with minor Sphalerite
Locality:ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York
Description:Large double-sided cluster of many lustrous black magnetite crystals exhibiting rare cubic and tetrahexahedral crystal forms (magnetite is commonly octahedral) with one area overgrown by lustrous transparent colorless-to-red sphalerite crystals to 1 mm. Collected 1991-1992. See: Cubic and Tetrahexahedral Magnetite in May-June 2008 Rocks and Minerals. Fluoresces yellow-pink-orange under 365 nm LW UV illumination
Overall Size:7.5x7x4 cm
Crystals:1-11 mm
Archived: For reference only

 

 

 

 

 

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