Look up: Botryoidal

1. botryoidal
   said of the habit of minerals whereby they comprise grape-shaped masses.
   Found on http://www.cst.cmich.edu/users/dietr1rv/
   
   
2. Botryoidal
   (see habit) like a bunch of grapes, as in chalcedony.
   Found on http://www.quartznall.co.uk/azhealthguid
   
   
3. 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
   
   
4. botryoidal
   shaped like a bunch of grapes, e.g. botryoidal chalcedony
   Found on http://www.rocksforkids.com/RFK/glossary
   
   
5. Botryoidal
   Botryoidal refers to resembling a bunch of grapes. A mineral of this type appears to have a surface covered with spherical bulges.
   Found on http://www.probertencyclopaedia.com/brow
   
   
6. Botryoidal
   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 goet...
   Found on http://en.wikipedia.org/wiki/Botryoidal