-
lattice points are
shared in
twinned crystals is
called a
composition surface or twin
plane.
Crystallographers classify twinned crystals by a
number of...
- fibrous, spheroidal, or columnar; m****ive
Twinning Twin axis [010] with
composition plane [100],
common Cleavage Perfect on {100} and {001}
Fracture Uneven...
- (see
below § classification). The set of
Euclidean plane isometries forms a
group under composition: the
Euclidean group in two dimensions. It is generated...
- of
structural weakness due to
external stress,
along twin
composition planes, or
along planes of
weakness due to the
exsolution of
another mineral. Parting...
- In mathematics, the
complex plane is the
plane formed by the
complex numbers, with a
Cartesian coordinate system such that the
horizontal x-axis, called...
- In mathematics, a
plane is a two-dimensional
space or flat
surface that
extends indefinitely. A
plane is the two-dimensional
analogue of a
point (zero...
- soils,
where they
probably oxidize rapidly to maghemite. The
chemical composition of
magnetite is Fe2+(Fe3+)2(O2-)4. This
indicates that
magnetite contains...
-
different conditions of
pressure and temperature, has the same
chemical composition but a
repeat unit of
seven tetrahedra.
Rhodonite has also been worked...
-
Plane Crazy is a 1929
American animated short film
directed by Walt
Disney and Ub Iwerks. The cartoon,
released by the Walt
Disney Studios, is the first...
- The
result is polylithionite, KLi2AlSi4O10(F,OH)2.
Lepidolite has a
composition intermediate between these end members.
Fluoride ions can substitute...