-
Coesite (/ˈkoʊsaɪt/) is a form (polymorph) of
silicon dioxide (SiO2) that is
formed when very high
pressure (2–3 gigapascals), and
moderately high temperature...
- (omphacite).
Accessory minerals include kyanite, rutile, quartz, lawsonite,
coesite, amphibole, phengite, paragonite, zoisite, dolomite,
corundum and, rarely...
- ****ociated in
nature with two high-pressure
polymorphs of
silicon dioxide:
coesite and stishovite.
These polymorphs have a
crystal structure different from...
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cristobalite (high-temperature form),
stishovite (high-pressure form), and
coesite (high-pressure form). On the
other hand,
amorphous silica can be found...
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other deformation indicative of a
hypervelocity extraterrestrial impact.
Coesite, an
indicator of
shock metamorphism, was
initially reported as
being present...
-
presence of
coesite, which, in
unmetamorphosed rocks, can only be
formed by the
shock pressures ****ociated with
meteorite impact. The
coesite was found...
-
containing bits of dark gl****, are
found surrounding the lake. Some
contain coesite, a high
pressure mineral diagnostic of
impact structures. The
suevite is...
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polymorphs with all the
members of the
quartz group,
which also
include coesite,
tridymite and stishovite. It is
named after Cerro San Cristóbal in Pachuca...
-
Teapot Ess in 1955. In 1960,
Edward C. T. Chao and
Shoemaker identified coesite (a form of
silicon dioxide) at
Meteor Crater,
proving the
crater was formed...
-
crystalline forms of silica, SiO2. The most
important forms of
silica include: α-quartz, β-quartz, tridymite, cristobalite,
coesite, and stishovite....
