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Mardin Stone, the Shared Material of a City

Anyone who walks through Mardin for the first time notices the shape of the houses first and their colors second. The walls rise from a single material that ranges from honey to yellow and, in places, to pink.

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Mardin Stone, the Shared Material of a City

Anyone who walks through Mardin for the first time notices the shape of the houses first and their colors second. The walls rise from a single material that ranges from honey to yellow and, in places, to pink. That material has a name, a registry number and an official registration document. In this piece we treat the stone not as a list of buildings but as a material and a craft. Our aim is to help you understand what you are looking at when you study a doorframe or the edge of an arch in Mardin.

A stone with a registered name

In the geographical indication records of the Turkish Patent and Trademark Office, Mardin Stone appears as a designation of origin. According to the record, the application was filed on 22 July 2009, registration was completed on 15 April 2011, and the registration number is 145. The applicant and registrant is the Mardin Governorship. The product group is listed as "other products" and the file number is C2009/016.

The Mardin Provincial Directorate of Culture and Tourism also publishes the registration text on its own page. According to that text, the stone has been used in most of the madrasas, mosques, inns and houses built in the city over the centuries, and a large share of those works still stand today. The text also describes the stone as a shared symbol of the different communities who live in the city. It further states that stone carving in Mardin has a history of 7,000 years; that statement belongs to the registration document, and we pass it on as a claim made by the document.

The story under the ground

The registration text also describes the geological identity of the stone. Mardin Stone lies within the Hoya Formation, which is said to consist of reef-origin rocks of the Eocene and Oligocene periods. The average thickness of the formation is given as between 50 and 600 meters. The rocks that make up the formation include chalky limestone, dolomitic limestone, clayey limestone and fossiliferous limestone. According to the text, the formation was laid down in shallow sea at the edge of a shelf.

This geological variety shows up in the color palette. The registration text lists the colors of the rock as yellow, pink, red, white, off-white and gray. It is therefore no surprise to see different tones on two walls of the same street. The angle of daylight can also change how those tones read; looking at the same surface in the morning and again in the late afternoon is the easiest way to see the difference yourself.

From quarry to workshop

The stone leaves the quarry in set sizes. The registration text says Mardin Stone is cut to dimensions of 19 x 20 x 30 centimeters and to special sizes, and used in buildings, works of art and ornamental carving. The same text gives the stone's fill ratio as between 85 and 90 percent. Some laboratory results are reported as well: a thermal conductivity coefficient of 0.7985, a specific heat capacity of 987.6 J/kg.C and a water absorption rate of 21.8 percent. We pass these figures on as they appear in the registration text; engineering interpretation is not our job here.

According to the text, the highly porous pieces are generally used for work that calls for rougher craftsmanship. Pieces meant for fine work are shaped in the shade after they are taken from the quarry and brought out into the light once they have their form. That sentence is the simplest description of the craft: work patiently in the shade, then leave the result to the sun. The text adds that the stone can be cut with a saw, drilled with a drill and shaped with hard chisels.

Soft first, hard later

The key to understanding Mardin Stone lies in what the registration text calls its most distinctive property. The stone is soft when it is worked, and it hardens when it comes into contact with sun and water afterward. The text also says that it has a chalky texture and a fine grain, and that it can be worked easily when freshly quarried. For a stone carver this is not a claim of superiority but a description of the workflow: the form is given first, and time and weather then firm it up.

The result can be read on every facade in the city. The fine carving on arches, the relief on column capitals and the decoration around windows all depend on the same material being workable in detail. The registration text says that the insides and outsides of the houses are decorated with embroidery-like ornament, and that the frames of doors and windows, the columns and the arches carry delicate examples of stone work as fine as lace. As you walk through Mardin, lift your head and look closely at the edge of a window frame; you will see how crisp the lines have remained.

Reading the Kasımiye portal

The Kasımiye Madrasa, in the southwest of the city center, is a good place to examine the stone up close. The Culture Portal of the Ministry of Culture and Tourism says construction began in the Artuqid period and was completed during the reign of the Akkoyunlu ruler Cihangiroğlu Kasım Padişah, between 1457 and 1502. According to the same source, the madrasa has two floors and domes, a single open courtyard, and was built with finely cut stone. The building is made of cut stone and brick, and the courtyard holds a fountain and a sizeable pool.

The south facade opens toward the plain. The entrance is reached through a barrel-vaulted corridor joined to a crown portal. The portal and the corridor are a good starting point for understanding how stone is used in architecture. An article published in 2024 in the International Journal of Mardin Studies presents the madrasa as a building from the Artuqid and Akkoyunlu periods that is known for its architecture, stone work and decoration. The article also notes that the pool and domes of the courtyard have helped make the building one of the most visited places in Mardin.

If your aim at Kasımiye is to look at the stone, we suggest you look first at the carved surface of the crown portal, then at the arches of the arcaded courtyard, and finally at the surfaces where brick and stone are used side by side. Each one shows a different behavior of the same material.

How to look at stone in the street

In the city center, stone appears not only on monuments but also on everyday buildings. Balcony railings, door lintels and courtyard walls are elements that, as the registration text notes, continue to be made of stone. As you walk, we suggest you look at three things.

  • The joint lines. Neatly cut stones sit against each other with thin gaps and set the rhythm of the facade.
  • The color transitions. Bands that shift from yellow to pink on one wall suggest that the stone came from different layers.
  • The edges of carved surfaces. A sharp edge is a sign of both the workmanship and the durability of the stone.

If you plan to take photographs, side light, meaning early morning or late afternoon, shows the depth of carving best. Looking from a distance without touching the stone protects both the building and you. On stepped and sloping streets, pay attention to the soles of your shoes; polished stone can become slippery when wet.

How to read a registration record

Geographical indication records look dry at first glance, but read properly they become an identity card for a product. In the Mardin Stone record, the phrase "designation of origin" shows that the name of the product was registered in connection with a locality. Almost two years separate the application date from the registration date; the record shows that the file was being processed during that time. The fact that a public body appears as the registrant tells us that the product is regarded as belonging to a whole region rather than a single producer. The address line of the record lists the Government House in Artuklu; in other words, the holder is the provincial administration, not a firm.

You can carry this information into your trip in the following way. When you enter a building in Mardin, first ask yourself which material you are looking at, then look with your own eyes for the properties described in the registration text. Within a few minutes you begin to tell a porous, roughly worked surface from a finely carved one. This small exercise makes the time you spend in museums and madrasas more rewarding.

The craft is alive, but registration is not a shop window

Stone work is not a pastime that belongs to the past. The registration text says that gravestones and balcony railings continue to be made of this stone today. Protecting a stone with a geographical indication means documenting its name and qualities; it does not mean recommending a particular point of sale. If you would like to see stone workers at their craft, you can get current information from official tourist information points and the pages of the provincial directorate of culture and tourism.

Practical notes

According to the Culture Portal directions, the Kasımiye Madrasa is reached by driving along the Yeni Yol toward Nusaybin, passing the Mardin City Stadium, turning right at the fire station garage and going 250 meters. Whether it is open, the entry conditions and visiting hours may change; for current information, check the official pages of the Ministry of Culture and Tourism and the provincial directorate. In summer, the stone surfaces heat up in the midday sun, so spreading your visit across the morning and late afternoon is more comfortable. Water, a hat and flat-soled shoes are as necessary in this city as stone.

One more small tip. If you have only a short time in Mardin, visit a museum or a madrasa first and then go out into the street fabric. That way you can compare the door and window frames you see in the street with the ornament you saw in the museum and the madrasa. The story of the stone only becomes concrete through that comparison.

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