AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Fluorite (interpenetrant-twinned crystals) and Calcite

Search

 

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

   

Fluorite (interpenetrant-twinned crystals) and Calcite from Weardale, County Durham, England

 
Fluorite (interpenetrant-twinned crystals) and Calcite from Weardale, County Durham, England

Fluorite (interpenetrant-twinned crystals) and Calcite from Weardale, County Durham, England

Photo below under shortwave ultraviolet illumination:
Fluorite (interpenetrant-twinned crystals) and Calcite from Weardale, County Durham, England

DESCRIPTION:No. 52323
Mineral:Fluorite (interpenetrant-twinned crystals) and Calcite
Locality:Weardale, County Durham, England
Description:Exceptionally transparent lustrous green fluorite crystals to 8 mm on one face of matrix with translucent gray calcite crystals to 4 mm scattered throughout. The fluorite crystals are all interpenetrant-twinned and fluoresce violet under UV illumination. Collected ca. 1920; acquired in 1998 from Lawrence H. Conklin (1933-2016)
Overall Size:8x7x4 cm
Crystals:1-8 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from UK, Iceland, Greenland > Halide Minerals

 

  Buy Fluorite (interpenetrant-twinned crystals) and Calcite at:

  John Betts - Fine Minerals gallery of Halide Minerals

 

 

 

© 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. ;