'Geyserite' definitions:
Definition of 'Geyserite'
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Geyserite \Gey"ser*ite\ (g[imac]"z[~e]r*[imac]t or
g[imac]"s[~e]r*[imac]t; 277), n. [From Geyser.] (Min.)
A loose hydrated form of silica, a variety of opal, deposited
in concretionary cauliflowerlike masses, around some hot
springs and geysers.
[1913 Webster]
