Sentence:  That which is rare (we know) is with all Nations precious, and what is precious they love to appropriate and transferr upon themselves as near as they can .... So if there be any thing more costly then another, they will hang it on their Bodies ..., such as their Ear-rings and Jewells. But these "Barbarians" seem to exceed them in the curiositie of their application of these <WSD>Preciosities</WSD>, they fully implanting them into their very Flesh, as if they were part of their natural Body. 
Meaning of the word marked with <WSD> tags:  Something of high value or worth.