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.
Blue cat s eye tourmaline.
It is a semi precious stone.
Tourmaline is a crystalline boron silicate mineral.
Tourmaline with tiny parallel inclusions sometimes display a strong cat s eye effect when polished.
Natural top quality beautiful 7 carats cats eye blue tourmaline cabochon macramartist.
Cat s eye tourmaline stones are usually found in pink and green.
5 out of 5 stars 43 43 reviews 50 00 free shipping only 1 available and it s in 1 person s cart.
From shop smaexpressions.
Favorite add to abalone black tourmaline smaexpressions.
Likewise other gemstones families tourmaline also comes in a wide variety of colors.
Buy natural tourmaline in our shop.
They are not uncommon but can be difficult to find.
Compounded with elements such as aluminium iron magnesium sodium lithium or potassium.
About cat s eye tourmaline.
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.
The cat s eye or chatoyancy effect is most easily seen in strong light especially in sunlight.