- The
mineral or
gemstone chrysoberyl is an
aluminate of
beryllium with the
formula BeAl2O4. The name
chrysoberyl is
derived from the Gr****
words χρυσός...
- by
fibrous inclusions and cavities, as seen in cat's eye
chrysoberyl. In cat's eye
chrysoberyl, the
chatoyant effect is
caused by the
presence of rutile...
-
Synthetic alexandrite is an
artificially grown crystalline variety of
chrysoberyl,
composed of
beryllium aluminum oxide (BeAl2O4). The name is also often...
- Honey-coloured
stones have been used to
imitate the more
valued cat's eye
chrysoberyl, cymophane, but the
overall effect is
often unconvincing. Artificial...
-
Chalcopyrite Chambersite Charlesite Charoite Childrenite Chiolite Chondrodite Chrysoberyl Alexandrite (var.)
Cymophane Chromite Chrysocolla Chrysotile Cinnabar...
-
chalcedony and quartz)
Alabaster (variety of gypsum)
Alexandrite (variety of
chrysoberyl)
Allingite (synonym of amber) Alum
Amazonite (variety of microcline)...
-
stones such as star
sapphires and
chatoyant stones such as cat's eye
chrysoberyl, a
domed cabochon cut can show the star or eye,
which would not be visible...
- tourmaline.
Colour change is most
commonly found in alexandrite, a
variety of
chrysoberyl gemstones.
Other gems also
occur in colour-change varieties, including...
- mica-schists ****ociated with quartz,
chrysoberyl,
apatite and topaz. It has long been
known from the
emerald and
chrysoberyl mine on the
Takovaya stream, near...
-
gemstones including Topaz, a
silicate mineral of
aluminium and
fluorine Chrysoberyl, an
aluminate of
beryllium Zircon, a
mineral belonging to the
group of...
