AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Germany > Calcite (cavernous crystals)

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

   

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

 
Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

Photo below under shortwave ultraviolet illumination:
Calcite (cavernous crystals) from St. Andreasberg, Harz Mountains, Lower Saxony, Germany

DESCRIPTION:No. 36279
Mineral:Calcite (cavernous crystals)
Locality:St. Andreasberg, Harz Mountains, Lower Saxony, Germany
Description:Tabular hexagonal translucent calcite crystals with hollow, depressed center faces in the terminations (also called hopper-growth). The depressed faces have sugary calcite microcrystals at the bottom. The calcite fluoresces under UV illumination. Ex. Harvard University #10953
Overall Size:6x4x4 cm
Crystals:.5-21 mm
Archived: For reference only

 

 

 

 

 

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