A natural cat’s eye stone, or Lehsunia

, is a rare chrysoberyl gemstone famous for chatoyancy—a bright band of light gliding across its polished surface like a real cat's eye. Valued in Vedic astrology for the planet Ketu, it costs from ₹300 to over ₹30,000 per carat. 

Key Features

• Scientific Name: Cymophane (a variety of chrysoberyl)

• Optical Effect: Chatoyancy, often showing a distinct "milk and honey" line when rotated under a single light source

• Colors: Honey-yellow, brownish-green, golden green, and greyish-green

• Hardness: 8.5 out of 10 on the Mohs scale 

Astrological Beliefs

• Ruling Planet: Linked to Ketu (the south node of the Moon)

• Benefits: Believed to protect from sudden financial losses, ward off negative energies, and boost focus or spiritual growth

• Caution: Astrologers suggest proper consultation before wearing, as it is a powerful gemstone with rapid effects