Top best answers to the question «Is iolite the same as tanzanite»
Iolite is a blue pleochroic gem that has an appearance similar to sapphire and tanzanite. It can serve as an alternative stone to either of these gems and is much lower in price. Unlike sapphire and tanzanite, iolite in the gem market is not known to receive heat, irradiation, or other treatments to improve its color.
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Iolite and tanzanite can look quite a bit alike. Iolite is a very inexpensive gem with a rather small market demand (most people probably don’t know what it is); it’s has a lighter and less vivid violet color which shifts to almost colorless when viewed from the side. Tanzanite is far more rare and has a large market demand with strong public recognition; it its top colors it resembles a fine blue sapphire.
Why isn’t iolite as popular as tanzanite? Iolite is found all over the globe, but it’s not as widely recognized as tanzanite. Some experts believe that jewelry designers and retailers don’t see a consistent enough supply of fine-quality iolite to feel confident about ordering a large selection for use in jewelry lines.
The difference between tanzanite and iolite is that “tanzanite” is a trichroic violet-blue variety of the mineral zoisite mined in Tanzania, used as a gemstone and “iolite” is the clear variety of cordierite, sometimes used as a gem. tanzanite iolite Noun A trichroic violet-blue variety of the mineral zoisite mined in Tanzania, used as a […]
I`ve seen Iolite (cordierite) showing almost the same trichroic colours as tanzanite, and then other samples are quite different to each other! eg. Most iolite shows, dark violet blue / light blue / pale yellow. But in some stones, the yellow is so weak it`s almost colourless. Tanzanite can be very similar in these trichroic colours. (including purple / blue / slaty-grey) but there`s usually green in the mix as well!
The color of fine-quality iolite can sometimes rival that of sapphire or tanzanite. – 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. Today, cordierite (named after geologist Pierre Cordier) is better known by its trade name, iolite, which comes from the Greek word “ios,” meaning “violet.”
Iolite is a blue pleochroic gem that has an appearance similar to sapphire and tanzanite. It can serve as an alternative stone to either of these gems and is much lower in price. Unlike sapphire and tanzanite, iolite in the gem market is not known to receive heat, irradiation, or other treatments to improve its color. That is appealing to many people.
Iolite can sometimes be mistaken for sapphire and tanzanite, but it is softer than sapphire, and harder than tanzanite. Other gems which may also cause confusion include spinel and garnet , but both spinel and garnet are singly refractive , which means they lack iolite's trichroism.
Iolite is the gem variety of the mineral Cordierite. It describes the transparent to translucent form of Cordierite, and it has recently become a popular gemstone. Iolite can be light to deep blue, and usually has a purplish tinge to it. Deeper colored stones are more valuable. Iolite is very affordable and durable, and can be used as a substitute for more expensive blue gemstones such as