- 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...
- in his findings.
Several authors reported kidwellite having epitaxial intergrowths with iron phosphates. In the Rotläufchen mine, Germany,
Dietrich found...
- 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...
-
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...
-
bands in
alternating colors. It is cryptocrystalline,
consisting of fine
intergrowths of the
silica minerals quartz and moganite. Its
bands are parallel, unlike...
- KAL-sə-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...
-
Myrmekite is a vermicular, or wormy,
intergrowth of
quartz in plagioclase. The
intergrowths are
microscopic in scale,
typically with
maximum dimensions...
- rock that
contains quartz and
alkali feldspar in
characteristic angular intergrowths such as
those in the
accompanying image. The
texture is
called granophyric...
