AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Microcline (Carlsbad-law twinned)

Search

 

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

   

Microcline (Carlsbad-law twinned) from Maroon Bells, Elk Mountains, southwest of Aspen, Pitkin County and Gunnison County, Colorado

 
Microcline (Carlsbad-law twinned) from Maroon Bells, Elk Mountains, southwest of Aspen, Pitkin County and Gunnison County, Colorado

Microcline (Carlsbad-law twinned) from Maroon Bells, Elk Mountains, southwest of Aspen, Pitkin County and Gunnison County, Colorado

DESCRIPTION:No. 56450
Mineral:Microcline (Carlsbad-law twinned)
Locality:Maroon Bells, Elk Mountains, southwest of Aspen, Pitkin County and Gunnison County, Colorado
Description:Two interpenetrant microcline crystals that are twinned following the Carlsbad Law of feldspar twinning where the microcline crystals share a common plane of atoms running along the C-axis. These crystals were phenocrysts that weathered out of granite. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1970s by his son.
Overall Size:4x3x1.5 cm
Crystals:40 mm
Archived: For reference only

 

 

 

 

 

© AllMinerals/JohnBetts-FineMinerals All Rights Reserved

The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property. ;