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Untreated Cat's Eye Moonstone 5.19 (YGMO519)

white sheen in long crested cabochon yellow green moonstone untreated natural from Sri Lanka
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5.19 Carat
Light Yellowish Green
Free of Inclusions



- Identification: Natural Untreated Unheated Yellow-Green Cat's Eye Moonstone
- Carat: 5.19
- Shape: Long Oval High-Dome Single Cabochon
- Measures: 13.61x7.14x6.89 (millimeter)
- Color Grade: n.a.
- Tone: Light 33

- Zoning: None 
- Clarity: Transparent + Free of Inclusions
- Cat's Eye: Very Good
- Cutting Grade: Very Good+
  - Finish: Excellent
  - Adularescence: Very Good (white, mobile)
- Origin: Sri Lanka

Treatment: None

Certificate No: IGI 345841084

Overall Grade: Very Good

Comment: Multi-tasking feldspar with a triple stage show: cat's eye, moon-glow, and its own delicate body color. The latter, check images without eye or moon, is a bright moss or algae hue, a somewhat ghostly pale-yellow green. In the handshot below, the delicate color is lost under the moon-sheen and the surrounding skin-hue. As visible there, when seen straight from above, the crest of the cabochon glows from a silvery white wave; easily rolling up and down the gem with every movement (a little bit like those games where you roll small balls into holes). Viewed straight from the side the gem turns all moon-ish with equally little color surviving the strong adularescence. Only from a mid-side 45 degree becomes the yellow-green hue obvious to the eye. Lots of stuff in one gem, isn't it? Its unusual dimension (higher than wide), the extreme shape with the long crest plus its flat underside, invites either a posh ring-design (for careful handling only) or a pendant with full visibility thanks to 17x7mm total view. The combination of uncommon color, shape, moon-glow and cat's eye makes such a gem, statistically seen and for those in the know, as rare as any high-end super-jewel from Burma, Colombia or the Umba Valley. 

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