Prehnite Mineral Specimen is named after Colonel Hendrik Von Prehn, a Dutch mineralogist who is credited with discovering it in South Africa in the 1700s. Eastern Cape Province, South Africa 6.2 OZ 3" X 2.25" Approx ** SEE VIDEO FOR FULL EFFECTS ** ** WE HAVE MANY MINERALS FROM THE USA AROUND THE GLOBE ** ** SEE OUR STORE ** Shipping Fees SHIPPING HANDLING SHIPPING YOUR ITEM SHOULD ARRIVE WITHIN 1-5 BUSINESS DAYS FOR DOMESTIC ORDERS. SHIPMENT IS FIRST CLASS MAIL - UNLESS OTHERWISE STATED. LOOK FOR A SHIPPING CONFIRMATION MAIL. ORDERS WILL BE SHIPPED TO ADDRESS ON FILE. RETURNS: FULL 30 DAY RETURN POLICY ~ BUYER PAYS RETURN SHIPPING ~ CONTACT US FOR ANY CONCERNS. SATISFACATION IS TOP PRIORITY