A botryoidal texture or mineral habit is one in which the mineral has a globular external form resembling a bunch of grapes as derived from the Greek. This is a common form for many minerals particularly hematite where it is the classically recognized shape. It is also a common form of goethite, smithsonite, fluorite and malachite. This includes c... Found on http://en.wikipedia.org/wiki/Botryoidal
• (a.) Having the form of a bunch of grapes; like a cluster of grapes, as a mineral presenting an aggregation of small spherical or spheroidal prominences. Found on http://thinkexist.com/dictionary/meaning/botryoidal/
Aggregate resembling a cluster of grapes. Also known as globular. Rounded agglomerations of botryoidal aggregates are smaller than reniform agglomerations and considerably smaller than mammilary agglomerations. Found on http://www.encyclo.co.uk/local/22291