Antique Arts & Crafts Brass Onyx Red Quartz Semi Precious Polished Stone Lamp c1920. Unusual Table Lamp with Stacked alternating Semi Precious Polished Stones including. Polished Steel Tabs resting on Platformed Brass Base, New Black Shade with Gold Foil Liner. 16 inches Tall Base 5-1/2 inches. Table Lamp is in Excellent Used Condition as should be expected with age.