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Usually stones with the effect of "cat's eye" are valued as amulets, amulets, but this function of such stones nowadays is inferior to the decorative properties of inserts with an unusual moving light strip, reminiscent of a pupil in a cat's eye,
The most highly valued products are those with a "eye" resembling a cat's eye - these are agates with a lenticular "eye" or a narrow contrasting stripe, as well as jasper and flint with a similar pattern.
Many jewelry lovers associate the name of the mineral diopside with green of different shades and intensity; chromium diopside, a chromium-containing variety of this mineral, and even with stellated, almost black stones.
Benitoite is a rare gemstone and collectible mineral.
Another of the most beautiful cut stones is titanite (aka sphene). Like many of the gemstones we have already described, it is not very popular in the jewelry market due to its low hardness.
