AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Microcline (Manebach Law twins) with Smoky Quartz

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

   

Microcline (Manebach Law twins) with Smoky Quartz from Black Cap Mountain, east of North Conway, Carroll County, New Hampshire

 
Microcline (Manebach Law twins) with Smoky Quartz from Black Cap Mountain, east of North Conway, Carroll County, New Hampshire

Microcline (Manebach Law twins) with Smoky Quartz from Black Cap Mountain, east of North Conway, Carroll County, New Hampshire

Microcline (Manebach Law twins) with Smoky Quartz from Black Cap Mountain, east of North Conway, Carroll County, New Hampshire

DESCRIPTION:No. 62601
Mineral:Microcline (Manebach Law twins) with Smoky Quartz
Locality:Black Cap Mountain, east of North Conway, Carroll County, New Hampshire
Description:Large tan-brown microcline feldspar crystals that are twinned following the Manebach Law of feldspar twinning with the twin plane visible running vertically on the front face of the crystals. Minor smoky quartz crystals are scattered throughout. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1970s.
Overall Size:17x12x14 cm
Crystals:20-160 mm
Archived: For reference only

 

 

 

 

 

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