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

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

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

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

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

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

DESCRIPTION:No. 71539
Mineral:Arfvedsonite (rare terminated twinned crystals)
Locality:Hurricane Mountain, east of Intervale, Carroll County, New Hampshire
Description:Rare terminated crystals of lustrous black arfvedsonite with brown limonite in crevices. The offset in the termination faces indicates is actually two contact-twinned arfvedsonite crystals with a central twin plane. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s
Overall Size:24x9x3.5 mm
Crystals:24 mm
Archived: For reference only

 

 

 

 

 

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