This specimen is a calcite stalactite/stalagmite. The location the specimen is from is unknown.
The first photo was taken under long wave ultraviolet lighting, which gives the stronger fluorescence.
The second image, below, was taken under short wave and gives a weaker fluorescense.
Calcite stalactite/stalagmite 
Quantity in Basket: None
Code: OCS-101
Price: $24.00
Shipping Weight: 1.00 pounds
Location: Unknown
Minerals: Calcite
Size: 2-3/4" x 3-1/4" x 2-1/4"