Geyserite
Encyclopedia
Geyserite is a form of opal
ine silica that is often found around hot spring
s and geyser
s. Botryoidal
geyserite is known as fiorite
. It is sometimes referred to as sinter.
Opal
Opal is an amorphous form of silica related to quartz, a mineraloid form, not a mineral. 3% to 21% of the total weight is water, but the content is usually between 6% to 10%. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most...
ine silica that is often found around hot spring
Hot spring
A hot spring is a spring that is produced by the emergence of geothermally heated groundwater from the Earth's crust. There are geothermal hot springs in many locations all over the crust of the earth.-Definitions:...
s and geyser
Geyser
A geyser is a spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase . The word geyser comes from Geysir, the name of an erupting spring at Haukadalur, Iceland; that name, in turn, comes from the Icelandic verb geysa, "to gush", the verb...
s. Botryoidal
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,...
geyserite is known as fiorite
Fiorite
Fiorite is a hydrated silica rock, a form of opal, found in cavities in volcanic tuff. It has a pearly lustre and forms botryoidal masses. It was named after Fiora, Ischia, in Italy....
. It is sometimes referred to as sinter.