Where to Find Granite for Curling Rocks

Granite curling rocks, also known as stones, are an integral part of the sport of curling. But where do they come from? The answer lies deep within the Earth's ...

Granite curling rocks, also known as stones, are an integral part of the sport of curling. But where do they come from? The answer lies deep within the Earth's crust, in vast deposits of igneous rock. Let's delve into the fascinating origins of these frozen tools of precision and strategy.

Where Do Curling Stones Come From? Only Two Places on Earth Supply Olympic Granite
Where Do Curling Stones Come From? Only Two Places on Earth Supply Olympic Granite

Granite is formed from the slow cooling of magma beneath the Earth's surface. Over time, this process results in a coarse-grained, hard, and durable rock. Only the finest quality granite, with minimal flaws and consistent grain, is selected for crafting curling stones.

a small red object sitting on top of a black and gray stone covered with sand
a small red object sitting on top of a black and gray stone covered with sand

Quarrying the Granite

The quest for top-quality granite leads quarry operators to some of the world's most rugged and remote landscapes. One prominent source is the Treinkopf quarry in Norway, which has supplied granite for many Olympic curling stones.

Homemade Curling Stones, World's Largest Curling Stone, Diy Curling Stones, Curling Rock, Olympic Curling Stones Scotland, Decorative Curling Rock, Curling Stone Dimensions, Curling Rocks, Curling Stones Wallpaper
Homemade Curling Stones, World's Largest Curling Stone, Diy Curling Stones, Curling Rock, Olympic Curling Stones Scotland, Decorative Curling Rock, Curling Stone Dimensions, Curling Rocks, Curling Stones Wallpaper

Quarrying is a labor-intensive process that involves carefully blasting and extracting large blocks of granite with minimal damage. These blocks are then transported to specialized factories for further processing.

Creating the Blocks

an image of curling game with the text try curling
an image of curling game with the text try curling

In the factory, the granite blocks undergo meticulous inspection. Only the best are selected for further production. These blocks are then sawn into massive slabs, which are further cut into smaller rectangles using diamond-impregnated wire.

The resulting slabs, now a manageable size, are sent for final polishing. This step removes any rough edges and prepares the granite for the subsequent curling stone manufacturing process.

Shaping the Stones

Granite curling rocks
Granite curling rocks

Once polished, the granite slabs are cut into cylindrical slices, each weighing around 42 pounds (19 kg). These slices are then ground andveal, transforming them into the perfect 4.5-inch (114 mm) diameter and 1.5-inch (38 mm) height of a standard curling rock.

The final step is adding the handle, or "running surface" to the bottom of the stone. This is made from a different piece of granite, selected for its hardness and ability to maintain a consistent "curl" over time. The resulting stone is then ready for use on the curling rink.

The Journey to the Rink

Curling Stones: Olympic Granite - Rock & Gem Magazine
Curling Stones: Olympic Granite - Rock & Gem Magazine

Once manufactured, curling stones embark on a journey from the factory to the rink. They're meticulously cared for to ensure consistent performance and longevity. This includes regular storage, maintenance, and transportation to tournaments around the world.

Specialized equipment is used to move and maintain the stones. They're stored on custom racks overnight and transported on special trolleys during games. This consistent, careful handling ensures that the stones remain 'fair' to all players, maintaining the spirit of curling.

Hurry Hard! From Ailsa Craig to Beijing, the birth of a curling stone
Hurry Hard! From Ailsa Craig to Beijing, the birth of a curling stone
The Granite Curling Club of Seattle builds camaraderie on the rocks
The Granite Curling Club of Seattle builds camaraderie on the rocks
The Olympic curling stones crafted in Scotland
The Olympic curling stones crafted in Scotland
there are many different colored kettles with handles on the table and one has a yellow handle
there are many different colored kettles with handles on the table and one has a yellow handle
Scottish island is source of granite in Olympics for nearly a century
Scottish island is source of granite in Olympics for nearly a century
an old black and white photo of men playing bowls in the street with canes
an old black and white photo of men playing bowls in the street with canes
there is a bird perched on the top of some concrete cylinders in front of each other
there is a bird perched on the top of some concrete cylinders in front of each other
Kevin Martin
Kevin Martin
Good Pair of Scottish Granite Curling Stones
Good Pair of Scottish Granite Curling Stones

The Life of a Curling Stone

With proper care, a curling stone can last for decades. Many stones in use today are over 30 years old, testament to their durability and the skill of their manufacturers. However, no stone lasts forever. When a stone reaches the end of its life, it's often repurposed as a decorative item or a trophy.

Alternatively, it might find a new life as a commemorative stone, inscribed with the memories of a particular tournament or team. No matter their ultimate fate, every curling stone carries a piece of history within it, a silent witness to the strategic ballet of curling.

In the quiet quarries of distant landscapes and the hum of factory machines, the story of curling stones comes alive. From the Earth's depths to the competition's heat, they embody the timeless spirit of sport and craftsmanship. Today's curlers may not know where their stones come from, but understanding their journey adds a deeper layer of appreciation for this ancient, beautiful game.

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