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2.13 carats Oval9x6.7mm Madagascar Sphene

  • Yellow sphene
RRP:
$70.00
Your Price:
$29.00 (You save $41.00)
SKU:
Sphene0012
Brand:
Shipping:
$10.00 (Fixed shipping cost)
Quantity:


Product Description

Product Information
Product Type: Single Stone Product Group: Gemstones
Primary Stone / Sphene (Titanite)
Gemstone: Sphene Gemstone Family: Sphene
Gemstone Count: 1 ct Weight:  2.13
Gemstone Shape: Oval Cut:  Modified Brilliant cut
Primary Color: yellowish green Color:  Green
Treatment: No Treatment Country of Origin: Madagascar
Composition: Natural Clarity Type  Type 2 (Moderately included)
Dimensions:  9.0x6.7 Dimension Length:  9.0
Clarity: Moderately included Dimension Width:  6.7

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About Sphene

Sphene is a rare collector stone with an unusually high refractive index and and a hardness of 5 -5.5. Because of it's high dispersion and refractive index, a well cut sphene can display stunning brilliance. This gemstone features "fire" phenomena, - the special effect due to dispersion and refers to the ability of the gemstone to draw light apart into its constituent colors. This works just like the glass prism that unfolds sunlight into the rainbow by refraction.

Sphene’s name comes from the Greek word which litereally mean wedge-like shape of its crystals. This unique gem species is a silicate of calcium and titanium. The rare earth elements cerium and yttrium are also often present in the crystal structure, and produce the yellow to yellowish green body colors. If substantial amount of chromium present in the stone, it will cause the intense green of chrome sphene.

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