AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Sphalerite (Spinel-law twinned crystals)

Search

 

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

   

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

 
Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

Sphalerite (Spinel-law twinned crystals) from Eagle Mine, Gilman District, Eagle County, Colorado

DESCRIPTION:No. 77258
Mineral:Sphalerite (Spinel-law twinned crystals)
Locality:Eagle Mine, Gilman District, Eagle County, Colorado
Description:Lustrous black sphalerite crystals on pyrite and sphalerite matrix. The sphalerite crystals are twinned following the Spinel Law of isometric twinning on the {111} octahedral plane, resulting in triangular appearance with beveled edges. Ex. Don Belsher collection
Overall Size:7x4x4 cm
Crystals:5-15 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. ;