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November 11, 2012

Geology Word of the Week: B is for Botryoidal

def. Botryoidal: Shaped like a bunch of grapes. The word botryoidal comes from the Greek word “botrus”, which literally means a cluster or bunch of grapes. In geology the word botryoidal is often used to describe a rock texture or mineral habit (appearance). Here are a few pictures of some botyroidal rocks and minerals: ***Thanks to Patrick Donohue for suggesting this week’s word and to Patrick and Lockwood DeWitt for …

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