SPHEENE YELLOW GREEN 1.53 Cts OCTAGON NATURAL SRI LANKA LOOSE GEMSTONE 20644
| Product Code: | 20644 |
| Availability: | In Stock |
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$190.00
| Carats | 1.53 |
| Size | 8.2 x 6.1 mm |
| Color | Yellow Green |
| Clarity | VVSI |
| Shape | Octogaon |
| Treatment | None |
| Origin | Sri Lanka |
| Location | Colombo, Sri Lanka |
| Price | $ 190.00 |
100% Natural - Not treated in any way.
Beautiful Center-stone for an engagement Ring.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Chemical Formula CaTiSiO5 - Mineral Class : Titanite
Color – Green, Yellow, Orange, Brown
Hardness - 5-5.5
Crystal System – Monoclinic
Refractive Index – 1.84 – 2.11 SG - 3.4-3.6
Transparency – Transparent Double refraction – 100 - .192
Luster – Adamantine Cleavage - 2,2
Sphene is a very rare brilliant yellowish - green, green, orange or brown gemstone with a high luster, also known as “ titanite ” due to its titanium content. The name “sphene” comes from the Greek word,” sphen ” meaning ”wedge ”which alludes to the formation of Its crystals.
Sphene occurs as an accessory mineral in igneous rocks: in schists, gneisses and other metamorphic rocks,and is also found as a detrital mineral in some sedimentary deposits.
Titanite is an important collector’s mineral, with well-formed crystals and transparent varieties being particularly desirable.it is also used as a minor gemstone. Titanite is industrially important as a source of titanium dioxide , (TiO2) , Which is used in pigments
Beautiful Center-stone for an engagement Ring.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Gem with High Lustre and Good Clarity.
Large Sizes are Extremely Rare!
A Gem of Lasting Beauty.
Chemical Formula CaTiSiO5 - Mineral Class : Titanite
Color – Green, Yellow, Orange, Brown
Hardness - 5-5.5
Crystal System – Monoclinic
Refractive Index – 1.84 – 2.11 SG - 3.4-3.6
Transparency – Transparent Double refraction – 100 - .192
Luster – Adamantine Cleavage - 2,2
Sphene is a very rare brilliant yellowish - green, green, orange or brown gemstone with a high luster, also known as “ titanite ” due to its titanium content. The name “sphene” comes from the Greek word,” sphen ” meaning ”wedge ”which alludes to the formation of Its crystals.
Sphene occurs as an accessory mineral in igneous rocks: in schists, gneisses and other metamorphic rocks,and is also found as a detrital mineral in some sedimentary deposits.
Titanite is an important collector’s mineral, with well-formed crystals and transparent varieties being particularly desirable.it is also used as a minor gemstone. Titanite is industrially important as a source of titanium dioxide , (TiO2) , Which is used in pigments
