This useful book joins the steadily growing rank of type mineralogy texts. There are now 39 recognized species with Brazil as the type locality. The first described was chrysoberyl of Karsten and Werner in 1789. By the start of the 20th century the number had reached nine, but then the inevitable rapid growth took place in the second half of the last century. The most recently described species is fluornatromicrolite. There are, in addition, over 50 named minerals which are no longer accorded species status – these are also included in the book, as are a number of unnamed...

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