Check the listing for details. Copper (Cu) Element Cube 99.99% Pure 1"x1"x1" Polished Free Shipping-MADE IN USA. Condition: New. Listed at 35.00 USD. FATHER'S DAY SALE - 30% OFF! Element Cube description: Beautiful, 99.99% Pure Copper (Cu) cube Dimensions / Size: 1.000in. x 1.000in. x 1.000in. (25.4mm x 25.4mm x 25.4mm)Volume: 1 in^3 (16,387 mm^3)Weight: 5.136 ounce (145.6 grams)Uses: desktop display, conversation piece, gift, enjoyment, stress relief, Father's Day Gift Manufacturing Information: Manufactured in California. MADE IN USAIndividually hand polished to a mirror finishLaser marked with element symbol from the periodic table, atomic weight and atomic numberPackaged in a padded element box 100% Satisfaction guaranteed - return within 30 days for full refund Copper physical facts: Density: .321 lb/in^3 (8.89 g/cm^3)Soft, ductile, malleable, corrosion resistant, highly electrically conductive Melting point 1,981°F (1,083° C) More elements to follow, save our store.