A PORTION OF THE GEM HALL 

 In the wall cast-t? are many fine examples of quartz, calcit ■. malachite, azurite and amethyst. In 

 the desk cases are cut and uncut diamonds, sapphires, topaz and other gems. The collection, pre- 

 sented to the Museum by the late Mr. ,1. Pi rpont Morgan, includes many large and rare forms 

 which could not be duplicated. 



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