Sentence:  When I pulled off the lid, I found a leather bracelet inside. Its center held a pretty brass flower, painted white with soft pink tips on the petals, just like clover. On either side of the brass clover flower, one of the bracelet's leather strands had been strung with shimmering green rocks. "Those are <WSD>aventurines</WSD>," Peavine said when I touched one smooth stone. "They're for courage and luck. You got a lot of the first, but I figured you could use some of the second." 
Meaning of the word marked with <WSD> tags:  A variety of translucent quartz, spangled throughout with scales of yellow mica.