106.00 CTS GOLDEN GREEN SAPPHIRE ID1-3959
Star sapphire is a corundum mineral. Its distinguishing feature is
its high hardness in the star sapphire market, with the black star sapphire
mostly found in the sandalwood market. Weighing between 1 and 20 carats,
preferably oval-shaped cabochon cut. In order to see the star's features or
6-legged stars, 12-legged stars can be found, but they are difficult to find,
so they are more expensive than 6-legged stars. A good quality star sapphire is
to see a clear star leg. The gemstone is not broken. Black sapphire with yellow
gold pin (star man: golden star sapphire) is more expensive than white star pin
(star: star sapphire).
Physical Properties Hardness 9 Mohs Scale
Refractive Index 1.762 to 1.770 (-+0.000)
Specific gravity 4.00 (-+0.05)
black
Optical characteristics, double refraction (DR)
glow not glow
Inner stigma, mineral crystals, needle threads, silk threads,
straight stripes
quality improvement It is popular to improve the quality with heat
(Heat Treatment) in combination with flux-borax using low temperature. in order
to maintain the shape of the gemstone, not split into layers along the crystal
plane
Maintenance, scratch resistance is very good. Be careful not to
fall or hit because the gemstone is broken. be careful of bumps
Thai gems.
Note :The color of the real
object will be a little different as the photos showed due to different
monitors
I accept payment through PayPal.
I expect all payments within 7 days of purchase.
The items will be shipped within 1 business day
after all of order payment.
Shipping & handling Policy:
Free Shipping Handling WORLDWIDE. The package
will be shipped by USPS directly from Thailand via Standard Small package
Airmail, and it will take about 11-23 business days.
Guarantee Policy:
100% Satisfaction Guarantee: If you are not
satisfied with the product you purchased for any reason, please contact us for
a return instruction within 30 days for a refund. Shipping Handling costs are
not refundable. Return shipping cost will be paid by seller.only usa.
Contact Us:
Please contact us by ebay message only.
Thank
you for your shopping
Have
a nice day!!!