Bickmore’s vision of establishing a natural history museum in New ... and a 21,000-carat light blue topaz. According to the museum, its collections grow by 90,000 specimens each year.

The Perot Museum of Nature ... showcases more than 100 topaz gems from around the globe. The exhibit opens Wednesday and presents a unique opportunity to explore the natural beauty and ...

A trip to the Natural History Museum is the perfect day out in London ... Don't miss the 635-kilogramme iron meteorite and 9,381-carat flawless blue topaz gemstone - the largest of its kind. Roaming ...

From the awe-inspiring blue whale skeleton suspended from our ceiling to the largest blue topaz gemstone of its kind ... with our knowledgeable science educators for a look at the Museum's fascinating ...