The stone has cat's eye effect in the daylight which becomes very strong under the influence of electric light.
Chrysoberyl eye-cat is a rare variety of the mineral extracted in four places on the planet only. Most of these stones are currently coming from Brazil and Sri Lanka, but all the reserves are in decline. It requested in Asia and used as a talisman against diseases, the evil eye and poverty. It is part of the nine stones composition "Navaratna", the group of astrological protection minerals.
Product Name: Natural Topaz, Shape: Baguette, Color: Swiss Blue, Stone Dimensions mm: 10.00x7.90, Stoner weight carat: 3.85, Stone Clarity: No Visible Inclusions, Treatment: Treated, Origin: Brazil, Remarks: Slightly chipped in the corner right up