4.5" Honey Colored Barite Crystal on Fluorescent Calcite - Elk Creek

This is a beautiful, 4.5" specimen of gemmy, honey-colored barite on a matrix of yellow calcite. It comes from Elk Creek in Meade County, South Dakota. Under long wave and short wave UV, these crystals react by fluorescing orange-yellow (long wave UV) and white-yellow (short wave UV).

About Elk Creek Calcite

Superb rhombohedral crystals of septarian calcite occur in cavities within large concretions from the 70-million-year-old Pierre Shale in Elk Creek, South Dakota. The calcite crystals can be yellow, orange, or gold in color and are sometimes associated with golden barite crystals and selenite. The calcite crystals fluoresce a bright yellow-white under shortwave UV light.
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DETAILS
SPECIES
Calcite & Barite
LOCATION
Elk Creek, Meade County, South Dakota
SIZE
4.5 x 1.7"
CATEGORY
ITEM
#240837