-
cannot exhibit pleochroism.
Tourmaline is
notable for
exhibiting strong pleochroism. Gems are
sometimes cut and set
either to
display pleochroism or to hide...
- the
United States are
required to be
disclosed at the
point of sale.
Pleochroism has a
physical property in
which the
gemstone will
appear to have multiple...
- word
meaning "two-colored rock", a
reference to cordierite's
strong pleochroism. It has also been
called "water-sapphire" and "Vikings' Comp****" because...
- Mg) to
grandidierite (Mg, Fe).
Grandidierites display strong trichroic pleochroism. That
means that it can show
three different colors depending on the...
-
cornflower blue to
colorless to
light yellow pleochroism,
while yellow materials show
light yellow to
colorless pleochroism. This
mineral is also piezoelectric...
-
characteristic shade of yellowish-green or pistachio-green. It
displays strong pleochroism, the
pleochroic colors being usually green,
yellow and brown. Clinozoisite...
- polarizations.[dubious – discuss] This is more
generally referred to as
pleochroism, and the
technique can be used in
mineralogy to
identify minerals. In...
- Mohs
hardness of 7 and a
specific gravity of 3.3 to 3.4.
Crystals show
pleochroism from red to blue to violet.
Dumortierite quartz is blue
colored quartz...
- noticeable. This property,
known as "
pleochroism" is of
great value in the
determination of
mineral composition.
Pleochroism is
often especially intense in...
- 20th ed., ISBN 0-471-80580-7 Faye, G. H.; Nickel, E. H. (1971). "On the
pleochroism of vanadium-bearing
zoisite from Tanzania" (PDF). The
Canadian Mineralogist...