AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Arfvedsonite (rare twinned terminated Arfvedsonite crystal) in 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 twinned terminated Arfvedsonite crystal) in Microcline from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

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

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

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

DESCRIPTION:No. 73760
Mineral:Arfvedsonite (rare twinned terminated Arfvedsonite crystal) in Microcline
Locality:Hurricane Mountain, east of Intervale, Carroll County, New Hampshire
Description:Terminated lustrous black 8 mm arfvedsonite crystal Perched between tan-colored blocky microcline crystals to 15 mm from the famous find on Hurricane Mountain. Terminated arfvedsonite crystals in matrix are rare from this locality. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s
Overall Size:30x25x15 mm
Crystals:3-15 mm
Archived: For reference only

 

 

 

 

 

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