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Stishovite is an
extremely hard,
dense tetragonal form (polymorph) of
silicon dioxide. It is very rare on the Earth's surface; however, it may be a predominant...
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meteorite (4.5653 ± 0.0001
billion years),
marks the
first occurrence of
stishovite in an iron meteorite. The
mineral muonionalustaite, a
hydrated nickel...
- minerals, seifertite,
stishovite, and coesite, though, have
higher densities and
indices of
refraction than quartz.
Stishovite has a rutile-like structure...
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nature with two high-pressure
polymorphs of
silicon dioxide:
coesite and
stishovite.
These polymorphs have a
crystal structure different from
standard quartz...
- as
coesite and
stishovite.
Coesite is
rarely found in
eclogite brought to the
surface in
kimberlite pipes, but the
presence of
stishovite is
unique to impact...
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formed at
pressures greater than
those typical of the Earth's crust.
Stishovite is a yet
denser and higher-pressure
polymorph of SiO2
found in some meteorite...
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members of the
quartz group,
which also
include coesite,
tridymite and
stishovite. It is
named after Cerro San Cristóbal in
Pachuca Muni****lity, Hidalgo...
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Pearson symbol mS48. Seifertite,
forming at
higher pressure than
stishovite Stishovite, a higher-pressure
polymorph Warr, L. N. (2021). "IMA–CNMNC approved...
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several crystalline forms of silica, SiO2. The most
important forms of
silica include: α-quartz, β-quartz, tridymite, cristobalite, coesite, and
stishovite....
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considered a
different mineral species. Thus, for example,
quartz and
stishovite are two
different minerals consisting of the same compound,
silicon dioxide...
