Maria Theresa Chandelier priced with Swarovski Spectra crystal shown in Polished Nickle. As shown: 28"W x 29"H, 12 lights. Available in other finish - Old World Brass. Swarovski Strass: This full lead crystal with over 30% lead oxide produces unsurpassed brilliance. Like a diamond, each facet is cut exactly to produce optical purity that reflects light into a full spectrum of shimmering rainbow colors. Swarovski Spectra: The look of Strass, this manufactured crystal comes at a much more affordable price. Precision machined to perfection with the Swarovski name and technological know-how.