Celestine

specimen number:
2063629

location:
Wymore, Gage Co., Nebraska, USA

description:
Neat locality example for the species, a loose cluster of light blue lustrous slightly translucent Celestine crystals without matrix. In good condition. Shows all around. The specimen comes with a previous label from the collection of Ray DeMark.

Near Wymore in Gage County, Nebraska, celestine occurs within Permian marine sedimentary rocks, primarily fine-grained limestone, dolomite, and shale beds of the Lower Permian Chase Group such as the Fort Riley Limestone. Over geological time, strontium-bearing groundwater percolated through these strata, precipitating celestine in open cavities, quartz geodes, and dolomite vugs. Historically, while Wymore was an active industrial limestone quarrying district, local celestine was never mined commercially for strontium ore; instead, the area became famous among amateur mineralogists and field collectors in the early twentieth century for producing distinct, clear to light blue acicular and tabular celestine crystals.

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