Cat S Eye Tourmaline Gia

The optical phenomenon is exceptionally rare and occurs in only a handful of gems.

Cat s eye tourmaline gia.

5 out of 5 stars 111 111 reviews 9 00. A skilled cutter must assess the stone before cutting so. The technical term used by gemologists to refer to a cat s eye effect is chatoyancy a term derived from the french phrase oeil de chat which means eye of the cat. King phd gia graduate gemologist.

Because of this tourmaline s rarity its per carat price is also likely to rival the price of fine sapphire. Some have more than one color like watermelon which is pink in the middle and green around the outside. There are rich reds pastel pinks peach colors strong greens bright yellows and deep blues. 5 out of 5 stars 32 32 reviews.

Make offer 13 84ct rare green cat s eye tourmaline gem cab green natural untreated cats d44 27 40ct brazil 100 natural extreamly rare blue catseye tourmaline gemstone cab 99 95. Cat s eye tourmaline is rare variety of tourmaline which exhibits a unique reflection of light that resembles the slit eye of a cat. Cat s eye tourmaline or cats eye tourmaline gemstone lehsunia is a gemstone which has a resemblance with cats eye. This cats eye tourmaline gemstone has a striking white ray passing through the center that gives a resemblance to a cat s eye.

The cat s eye effect can be found in a number of other gem varieties though in some cases the effect is quite rare. Color one of tourmaline s most sought after and generally available colors is the pink red. Among the finer gemstones cat s eye tourmaline can often be found in green and pink and larger sizes are not uncommon. Cat s eye tourmalines are most often green blue or pink with an eye that s softer and more diffused than the eye in fine cat s eye chrysoberyl.

Tourmaline is famous for its dazzling colors. Tourmaline often contains a silk of coarse tubes that can produce a very strong cat s eye. An alexandrite cat s eye is a chrysoberyl cat s eye that changes color. Favorite add to cotton candy cats eye tourmaline 60ct shipped from usa buzzwaxx.

With a hardness of 7 to 7 5 on the mohs scale cat s eye tourmaline is durable enough for rings. Oval cabochon 100 natural nice pink tourmaline cat s eye vipgemsstore. The inclusions are larger than the inclusions in cat. In these stones you can see how the silk crosses the stone at right angles to the cat s eye.

The effect refers to the sharp milky ray of white light normally crossing the cabochon as a center line along its length and overlying the honey colored background. Milk and honey is a term commonly used to describe the color of the best cat s eyes.