Large White Calcite Crystal Mexico Mined Mineral Collection LARGE 5 LBS 8 OZ FOUND IN CENTRAL MEXICO - BEAUTIFUL LARGE SPECIMEN ***** DONT MISS OUT - ONLY 1 AVAILABLE ***** Halite is sodium chloride and calcite is calcium carbonate. Though both are of same cubic system and in colour, the hardness of both is also near same. Physically it cn be identified by test, halite is salty as it is rocksalt. Acid test can also be performed, calcite will give effervescence with HCL acid. ** SEE VIDEO IF AVAILABLE FULL EFFECTS ** ** WE HAVE MANY BEAUTIFUL MINERALSPECIMENS FROM THE USA AROUND THE GLOBE ** MOST ARE FROM OUR VARIOUS TRIPS ** ** SEE MY STORE ** ** OUR GOAL IS TO MAKE COLLECTING FUN AFFORDABLE FOR ALL WITH GREAT LOW PRICING ** # 151 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