Niulize chochote kuhusu gemmology na field zake

yeddy guyy

JF-Expert Member
Mar 31, 2015
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Nature of the Precious Stones or Nav Ratnas
1. Ruby:
This has red colour. Ruby is also found in rose, black, yellow and sky blue colours.

2. Diamond:
This is found in white, yellow, red, blue and black colours.

3. Emerald:
It is green in colour. The Emerald of peacock feather colour, parrot
colour and grass blade colour, have the best qualities.

4. Blue Sapphire: This is found in dark blue, ordinary blue and light blue colours.

5. Cat’s Eye:
This is found in yellowish or blackish colours.
The stone has a visible shining band inside, which moves when the stone is turned.

6. Pearl:
This is found in white, yellow, red or black colours.

7. Red Coral:
This is found in orange-red colour. White corals are also available.

8. Yellow Sapphire: This is found in light yellow colour.

9. Gomeda:
This is found in honey colour.
 
I know you are expert in Gemstones, how does 4C's be the key factor? And what Color for in gemstones deals?
 
The four 4C’s Determining the quality of a
gemstone involves what
jewelers refer to as the “four
4C’s.” They are as follows:
1. Color
2. Clarity
3. Cut
4. Carat Weight
To these, we can also add a fifth
5C, Color Coverage While these factors are well
defined for diamond, no
universally-accepted system
exists for colored gems.
 
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