One of the most compelling Tektites, Moldavite is the naturally water-etched result of a meteoritic impact in southern Germany that occurred about 14.7 million years ago, forming the Nördlinger Ries Crater. It is approximately 77% silica. This pendent is artfully framed in .925 Silver (Sterling) ready to adorn your favorite chain. Chlum, Benešov District, Central Bohemia, Czech Republic.1.5" x .75" x .5", 5.4 grams.