Black Marble Alumni Lamp for Columbia University. Solid Brass Lamp with Genuine Serpentine Black Marble Base, Linen Shade available in Black, Burgundy, Forest Green and Navy Blue. Dimensions: 4" x 4" Base, Height: 26". Weight: 6 3/4 lbs. Special Order Item. Item comes with a complete warranty by CSI. Please allow up to 3 weeks BEFORE item ships. May only be returned for repair if defective. Item will be shipped separately from clothing items. Gift wrapping and express shipping not available. Complete warranty coverage provided.