Sri Lanka gems and jewellery
Sri Lanka gems and jewellery

Sri Lanka gems and jewellery

Sri Lanka gems and jewellery
Sri Lanka gems and jewellery Sri Lanka gems and jewellery Sri Lanka gems and jewellery
Sri Lanka gems and jewellery
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ISINI
Gems & Jewellers
No 41, Rajapihilla Mw

Kandy - Sri Lanka


Tel : (94) 812 203 066
Fax: (94) 814 473 110
 
isinigems@sltnet.lk

 
 
 

Hardness: 9

 
Sapphire
We produce sapphires of various shades from light to dark blue sapphires, whitish Blue, Red, Orange, Pink, Rare shades of Brown and Flemish Orange.

 

The very famous star sapphire from Sri Lanka, which is displayed in the Museum of Natural History in New York - USA is just another proof of our collection.
 

 


Toughness is Excellent

Ruby
Ruby is an aluminum oxide, a variety of corundum;  occurs in medium to dark tones of red and violetish-red to brownish-red
The most important factor in the value of a ruby is colour. The top qualities are as red as you can imagine: a saturated pure spectral hue without any overtones of brown or blue.

Besides colour, other factors that influence the value of a ruby are clarity, cut, and colour. Rubies that are perfectly transparent, with no flaws, are more valuable than those with inclusions, which are visible to the eye. Cut can make a big difference in how attractive and lively a ruby appears to the eye. A well-cut stone should reflect backlight evenly across the surface without a dark or washed-out area in the centre that can result from a stone that is too deep or shallow


Hardness: 8.5

 

Cat's Eye
A cat's eye like effect, known as 'chatoyancy', appears to move on this stone's surface. Cat's eye comes from the mineral chryseberyl.
 

There are generally three varieties of catís eye. The honey coloured cat's eye, the apple green cat's eye and the alexandrite catís-eye which is quit rare.


Hardness: 7.5

Zircon
Zircon is a zirconium silicate, occurring in colorless, light blue, brownish-orange, yellow, yellowish-green, brownish-green, dark red or light red-violet. Blue is the most valuable.

The round brilliant cut is most successful, standard 57-facets with no culet.

 


Hardness: 6.5 - 7.5

 

Garnet
Garnet comes in three different shades. Wine red, orange (Hessonite garnet) and green garnets. (Rare)

 

 


Hardness: 7.0

 

Quartz
Quartz which is the most common mineral found on the face of the Earth. Gem varieties includes amethyst (purple), citrine (yellow), milky quartz (cloudy, white variety), rock crystal (clear variety), rose quartz (pink to reddish-pink variety), and Smokey quartz (brown to grey variety).
 

A transparent variety of quartz, silicon dioxide, occurring in yellow to red-orange to orange-brown. The name is derived from citron, which is French for lemon. Madeira (deep, bright reddish-brown) and Palmyra (medium yellowish-brown) are terms used in the trade.


 

Hardness: 6.0 - 6.5

 

 

Moonstone
The first gems that were mined in Sri Lanka centuries ago. Comes from the feldspar mineral. Blue moonstones the better quality of moonstones and the transparent body Moonstones are widely mine in Sri Lanka.
 

 


Poor toughness

 

Topaz
Topaz is a fluorosilicate of aluminum, occurring in transparent yellow, yellow-brown, orange-brown, light to almost medium red, very light to light blue, very light green and violet colours.
 

Prime source is Brazil. Sri Lanka (blue), Mexico (mostly poor quality, brownish-yellow), Russia, South Africa (blue), Utah, Afghanistan. Poor toughness, extremely easy basal cleavage - treat with care


 

 
 

 

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