-
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...
- 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, a
plane is a two-dimensional
space or flat
surface that
extends indefinitely. A
plane is the two-dimensional
analogue of a
point (zero...
- 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...
- 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...
- mathematics, a
projective plane is a
geometric structure that
extends the
concept of a
plane. In the
ordinary Euclidean plane, two
lines typically intersect...
-
foliated and
granular aggregates.
Twinning On {001} as both twin and
composition plane Cleavage Perfect on {001},
micaceous Fracture uneven Mohs
scale hardness...
-
different conditions of
pressure and temperature, has the same
chemical composition but a
repeat unit of
seven tetrahedra.
Rhodonite has also been worked...