AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Arfvedsonite (rare terminated crystal) on Microcline

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

   

Arfvedsonite (rare terminated crystal) on Microcline from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

 
Arfvedsonite (rare terminated crystal) on Microcline from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

Arfvedsonite (rare terminated crystal) on Microcline from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

DESCRIPTION:No. 63511
Mineral:Arfvedsonite (rare terminated crystal) on Microcline
Locality:Hurricane Mountain, east of Intervale, Carroll County, New Hampshire
Description:Lustrous black prismatic arfvedsonite crystal with a knob of white microcline on a lower edge. The arfvedsonite crystal has a sharp, lustrous termination that is the best I have seen from this locality (commonly they are embedded arfvedsonite crystals). Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s.
Overall Size:30x14x13 mm
Crystals:26 mm
Archived: For reference only

 

 

 

 

 

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