Colemanite Mineral Specimen, California

This specimen is 2.75" by 1.25"
Availability: 1 in stock
SKU: HM-037
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Delivery date: 1 week
$40.00

An interesting spire of Colemanite Blades. This specimen also has fibers on the back, that look like uxolite. Which colemanite is most likely formed from. The specimen is from the Boron Pit, Kern County, California.