Free Samples

Free sample kits which display the variety of stone colors we produce are available upon request. Specific product sample in bulk up to 5lbs. are available free of charge; $2.50 per pound bagging fee for samples over 5lbs.

Assays and information on the chemical composition of our products are also available.

  • White Stone Calcium, Inc.

    Physical address: 2432 Highway 395 South
    Mailing address: Po Box 21
    Chewelah, WA 99109

  • Hours

    Monday through Friday
    7:30am - 3:30pm (PST)
    or by appointment