It is also referred to as water sapphire or dichroite.
Iolite vs blue sapphire.
Mg fe 2 al 3 si 5 al o 18 to fe mg 2 al 3 si 5 al o 18.
Iolite is an affordable alternative for more expensive blue sapphire or violet blue tanzanite.
Its name is derived from the greek word ios which means violet and pertains to the gemstone s violet color.
The iolite is also known as kakanili or just neeli depending on the geographical region.
However there are some iolite stones that are lavender clear blue or deep blue in color.
It is of blue dark blue purple violet and purple color with a hue of blue color.
The color of fine quality iolite can sometimes rival that of sapphire or tanzanite.
A high temperature polymorph exists indialite which is isostructural with beryl and has a random distribution of al in the si al 6.
Today cordierite named after geologist pierre cordier is better known by its trade name iolite which comes from the greek.
Robert weldon when tanzanite was first discovered gemologists initially suspected it might be cordierite a transparent pleochroic violet blue gem known for thousands of years.
This specimen is approximately 9 4 x 7 1 x 4 8 millimeters in size and weighs about 1 83 carats.
This substitute is related to crown chakra of body as it is of purple color.
People having weak crown chakra or bad memory.
In hindi it is called kaka nili.
Iolite is an excellent gemstone for pendants pins brooches necklaces and bracelets.
For men iolite is an excellent royal gem which is perfect for men s fashion and gemstone jewelry accessories including cufflinks iolite rings and tie tacks.
Both have the same refractive index of approximately 1 76.
Iolite is a substitute of blue sapphire.
It is found in various colors ranging from blue to purple.
But purple sapphire is inert to weakly magnetic.
Iolite uses and purposes overview.
The most preferred upratna for blue sapphire is the iolite.
A nice iolite like this one could easily serve as an alternative gem for sapphire or tanzanite at a much lower price.
Rhodolite can show anomalous double refraction further confusing it with doubly refractive sapphire corundum.
A blue violet iolite faceted from material mined in madagascar.
Purple sapphire can at times look similar to rhodolite garnet.
Iolite s name comes from the greek ios meaning violet and is the gem version of the mineral cordierite.
Iolite is a silicate of magnesium and aluminum.
Rhodolite will be picked up by an n52 magnet.