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Cracks Vs Inclusions

Published on Aug 29, 2018

One of the most troubling dilemma that customers face when buying gemstones is how to discriminate between an inclusion and a crack. While the visual difference between the two is not apparent to everyone, scope of either’s presence can have an impact on gemstone’s use in the longer run. In addition, the way an inclusion appears can differ from one gemstone to another. However, some insight into the basic nature of cracks and inclusions can help customers to understand not only the worth of gemstone but can also equip them with better understanding of gemstone’s overall quality.


Inclusions are natural impurities found in the gemstones and develop while the stone is being processed in nature’s womb. Some of these impurities are quite essential and add character to gemstones, increasing their worth for humans. E.g. presence of an insect trapped in Amber, can highly increase its worth. Likewise, thin golden needle like crystals of rutile can enhance the value of Quartz. In addition, presence of inclusions implies that the gemstone is real and not an artificial replica synthesized in laboratories. Yet, not only the nature but volume, location and density of inclusions can weaken the gemstone’s strength and scope of use in long run. For this reason, one thumb rule in gemstone trade goes as ‘lesser the inclusions, better is the quality of gemstone’. Obviously, the exceptions exist.


Visually, especially to a naked eye, both crack and inclusion can appear same. But knowing where and how far to look can help you differentiate between the two.


One basic rule that goes for cracks is that they begin from inside of gemstone and end up on the surface. Whereas inclusions usually lay inside the gemstone and do not change spots.

Crack Vs Inclusion


Inclusions are inherent to gemstones,i.e. they are formed right when the gemstones are being processed in the nature. Crack on the other hand, can be an inclusion gone wary, appearing much later. So, if you did not see the imperfection before, chances are it is a crack that has appeared later in the gemstone.


While both inclusions and cracks can appear anywhere on the gemstone, a crack usually finds its passage where the inherent structure or gemological composition of the stone is weaker. Usually, outer edges around metal (in case of jewelled gemstones) are the spots where cracks appear.


No outside force or pressure can cause inclusions whereas outside pressure, gradual wear & tear or rough handling of gemstones (like heavily faceted cutting or negligence) can cause cracks. Meaning, cracks can emerge outside or inside of the gemstone. Some organic or naturally brittle gemstones are more likely to crack sooner than other gemstones like Red Coral, Pearl and Emeralds.

Crack Vs Inclusion


Inclusions are characteristic in nature and may differ in appearance, structure and composition whereas a crack lacks these traits. E.g. in Yellow Sapphire or other sapphires, inclusions would appear as white line (Silk) whereas a crack may reflect rainbow like spectrum, not because of any specific character but because of exposure to light.

Crack Vs Inclusion

These are some of the most identifiable differences between cracks and inclusions. However, since each gemstone is unique and has a complex gemological composition, it takes a trained eye and sophisticated equipment to clearly identify the either one.

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Leave A Comment

"Dear Shikha,
Thank you for reaching out to us! We would be glad to be of help to you.
Before suggesting a gemstone, your birth details would be required. We request you to give us your date, place, and time of birth after which our expert astrologer can figure out which gemstone best suits you.
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posted on Nov 04,2019
Which gemstone should wear to increase my wealth and growth in office


posted on Oct 30,2019
I have purchased natural blue sapphire... and i tested the sapphire from india goverments gemological laboratory...

every thing is okk.



posted on Oct 12,2019
Dear Bhushan,

Yellow Sapphire from Ceylon (Sri Lanka) is a highly precious, yellow colored gemstone of the Corundum mineral family. It is one of the most recognized gemstones in Vedic astrology worn for professional success, marital bliss improved will power and healthy progeny. We have a vast catalog of Beautiful Ceylon Yellow Sapphires available in different cut, carat and shape
For any further information, you can get in touch with us on +91 11 4084 4599 or mail us at You can also avail our FREE GEMSTONE RECOMMENDATION service at
We wish you good luck for now and days to come.

Team GemPundit

posted on Sep 16,2019
Ceylone yellow suphire

Bhushan Ramchandra Balpande

posted on Sep 12,2019
Dear Abesh,

Thank you for writing to us.
We would like to tell you that, one should not wear a damaged or broken gemstone. A damaged stone loses its power and considered as "Khandit", and it should be removed immediately.
We hope that we have been able to clear your doubts and for further assistance, you can contact our experts @ +91 11 4084 4599 or drop a mail on

Team GemPundit

Team GemPundit

posted on Jun 15,2019
Can ruby that is damaged on the side be worn and have the same astral effect

Abesh Chakraborty

posted on Jun 14,2019
Dear Romika,

It is believed that wearing a natural Yellow Sapphire (Pukhraj) is good for attainment of marriage and getting stability in the existing relationship. Therefore, Yellow Sapphire can an effective gemstone for you.

But being a trustworthy organisation, GemPundit always recommends people to take a personalised Gem Recommendation before wearing any astrological gemstone.

You may use our FREE Gem Recommendation Tool to know which gemstone will be most suitable for you. Link here -

We also have an in-house team of astrologers who could guide you if you have more queries. Contact us on +91-11-4084-4599 or you can email us on to Request a Call back from our Pundit ji.

Warm Regards
Team GemPundit

Team GemPundit

posted on Mar 05,2018
Is this yellow sapphire gemstone is suggest for marriage if family not ready to whom I want to marry will it give result for getting marry to one whom I want


posted on Mar 01,2018
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