AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Franklinite (rare dodecahedral form)

Franklinite (rare dodecahedral form) from Franklin District, Sussex County, New Jersey (Type Locality for Franklinite)

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 90044
Mineral:	Franklinite (rare dodecahedral form)
Locality:	Franklin District, Sussex County, New Jersey (Type Locality for Franklinite)
Description:	Several lustrous black-metallic franklinite crystals to 12 mm in a rhombic gray calcite cleavage that fluoresces orange under UV illumination. The franklinite crystals exhibit rare dodecahedral form - most franklinite forms octahedral crystals. Ex. Rock Currier (1940-2015) Collection #8621; ex. Robert Trimingham (1937-2013) No. T-17802; ex. Eula Short, author of One by One column in Mineralogist magazine (1960s)
Overall Size:	4x3x2.5 cm
Crystals:	3-12 mm
Archived:	For reference only

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