- 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...
- K-feldspar, KAlSi3O8, in composition)
includes exsolved lamellae or
irregular intergrowths of
sodic alkali feldspar (near albite, NaAlSi3O8, in composition). Typically...
- much
slower than in
alkali feldspar, and the
resulting two-feldspar
intergrowths typically are too fine-grained to be
visible with
optical microscopes...
-
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...
- rock that
contains quartz and
alkali feldspar in
characteristic angular intergrowths Harzburgite –
Ultramafic mantle rock Hornblendite –
Plutonic rock consisting...
-
practice the
energy difference between them is so
small that
random intergrowth of the two is common.
Cobalt is a
weakly reducing metal that is protected...
-
mineral hawk's eye gain
their silky,
lustrous appearance from the
parallel intergrowth of
quartz crystals and
altered amphibole fibres that have
mostly turned...
- 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...
- 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...
-
Chalcedony is a
cryptocrystalline form of
silica consisting of fine
intergrowths of both quartz, and its
monoclinic polymorph moganite.
Other opaque gemstone...
