botryoidal – מילון אנגלי-אנגלי
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
goethite,
smithsonite,
fluorite and
malachite. This includes
chrysocolla.
botryoidal
Adjective
1. resembling a cluster of grapes in form
(synonym) botryoid, boytrose
(pertainym) grape, grapevine
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.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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