Hakeek is a type of stone that is found in Turkey and Iran. It is made from agate

Agate

Agate is a microcrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.-Etymology...

. It is considered a semiprecious ornamental stone and has significance in the Islamic religion.

Jewellery Preparation

It must be ground into shape and polished to a shine. The finished stone is then mounted on a ring according to the stones finished size. Both men and women wear it as jewellery.

Islamic Significance

An akik ring also has religious importance in Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

 as it is considered sunnah

Sunnah

The word literally means a clear, well trodden, busy and plain surfaced road. In the discussion of the sources of religion, Sunnah denotes the practice of Prophet Muhammad that he taught and practically instituted as a teacher of the sharī‘ah and the best exemplar...

 to wear one due to the fact that the Prophet Muhammad wore an akik ring set with silver on his right hand, and that in imitation many Muslims including clergy

Clergy

Clergy is the generic term used to describe the formal religious leadership within a given religion. A clergyman, churchman or cleric is a member of the clergy, especially one who is a priest, preacher, pastor, or other religious professional....

 from both shia and sunni sects today do the same.