- from
invasion of water.
Intergrowths of two or more
minerals can form in a
variety of ways, and
interpretations of the
intergrowths can be
critical in understanding...
-
mineral hawk's eye gain
their silky,
lustrous appearance from the
parallel intergrowth of
quartz crystals and
altered amphibole fibres that have
mostly turned...
- with the
possibility of the
stone breaking with age.
Twinning wisps or
intergrowths may also be seen in diamonds.
These formations are
usually inclusions...
- K-feldspar, KAlSi3O8, in composition)
includes exsolved lamellae or
irregular intergrowths of
sodic alkali feldspar (near albite, NaAlSi3O8, in composition). Typically...
-
Myrmekite is a vermicular, or wormy,
intergrowth of
quartz in plagioclase. The
intergrowths are
microscopic in scale,
typically with
maximum dimensions...
- P21/c) and
occurs as
white fumarolic encrustations on lava. It
occurs as
intergrowths with cotunnite. It was
first described from a
finding at the Challacollo...
- rock that
contains quartz and
alkali feldspar in
characteristic angular intergrowths such as
those in the
accompanying image. The
texture is
called granophyric...
- KAL-sÉ™-doh-nee) is a
cryptocrystalline form of silica,
composed of very fine
intergrowths of
quartz and moganite.
These are both
silica minerals, but they differ...
-
ceramics such as porcelain, and as a
constituent of
scouring powder. Some
intergrowths of
orthoclase and
albite have an
attractive pale
luster and are called...
-
pyrite on one side and
metallic galena on the
other side SEM
image of
intergrowth of
pyrite cuboctahedral crystals (yellow) and
pyrrhotite (pinkish yellow)...
