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We no longer offer Mineral Specimens because we concentrte on X-Ray Diffraction (XRD) services for mineral-interested individuals who need to know for sure what mineral they have as well as XRD for Industry AND we offer Calcium Gluconate Gel, a skin-protective gel indispensable for anybody working with Hydrofluoric Acid (HF) in any of its hundreds of industrial uses.

Calcium gluconate gel is required by OSHA, the Occupational Safety and Health Adminstrtion, a brance of the US Dept of Labor that protects workers in the US.  there exist its equivalents in other countries.