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

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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) with Microcline and Zircon from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

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

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

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

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

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

Photo below under shortwave ultraviolet illumination:
Arfvedsonite (rare twinned terminated Arfvedsonite crystal) with Microcline and Zircon from Hurricane Mountain, east of Intervale, Carroll County, New Hampshire

DESCRIPTION:No. 73284
Mineral:Arfvedsonite (rare twinned terminated Arfvedsonite crystal) with Microcline and Zircon
Locality:Hurricane Mountain, east of Intervale, Carroll County, New Hampshire
Description:Lustrous prismatic black terminated (rare for the locality) arfvedsonite crystals to 18 mm with limonite-stained microcline crystals to 10 mm and brown octahedral zircon microcrystals. The arfvedsonite crystals have compound etched terminations. Collected ca. 1970
Overall Size:22x18x12 mm
Crystals:0.2-18 mm
Archived: For reference only

 

 

 

 

 

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