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Ed Bristol
Spanish Sphalerite
Tanzanian Ruby
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0.85 Carat
Honey Yellow Orange
Medium Dark 70
Lightly Included



  • Identification: Natural Unheated & Untreated Sphalerite
  • Carat: 0.85
  • Shape: Cushion
  • Measures: 6.08x4.52x3.23 (millimeter)
  • Color Grade: Very Good
  • Tone: MD70
  • Color Zoning: None
  • Clarity: Lightly Included
  • Cutting Grade: Good
    • Brilliancy: 66%
    • Depth: 72%
  • Origin: Spain
  • Treatment: None

Certificate No: GB14051481

Overall Grade: Very Good

Comment: Sphalerite is rarly seen in jewelry because it is soft (like ivory or coral, that is). I always wanted to study its legedary dispersion (beating diamonds by a factor of three) and leaving even my favorite titanite well behind. Very interesting material. I will get a really big one next time. Also it is one of the few gems still mined in Europe. It has a honey color with green and yellow-orange thrown in. Can be set into pendants but needs extra care. Nice little addition to a collection. And not expensive at all. 

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