What Is Soapstone and Why Is It Used for Statues?

TL;DR

Soapstone is a soft rock used to create the statue of Christ the Redeemer due to its ease of sculpting and detail. Its chemical composition is similar to talc, making it lightweight yet durable when reinforced. The statue's base is made of marble to prevent damage from scratches, contrasting its softness with the hard granite of the mountain it's built upon.

Transcript

I'm on the train going up the cavalo mountain in Rio de Janeiro in Brazil going to see one of the most famous monuments in the whole of Brazil the statue of Christ the Redeemer and we're going to talk about some interesting chemistry when we get there there is a story that Albert Einstein traveled on this train so this is really a homage to him as ... Read More

Key Insights

• 🙃 The statue of Christ the Redeemer in Rio de Janeiro is made from soapstone, a soft rock with a composition similar to talc.
• 🗽 The soapstone surface of the statue is covered in triangles, giving it a mosaic-like appearance.
• ⛈️ The statue has been damaged by lightning strikes, resulting in extensive restoration work and the installation of lightning conductors.
• 🗽 The base of the statue is covered in marble, which is more durable and resistant to scratches compared to soapstone.
• 🗽 The statue's location on a mountain made of granite adds a symbolic contrast between the softness of the statue and the hardness of the Earth.
• 👻 Soapstone's softness is conducive to carving intricate details, allowing for the creation of the statue's features.
• 🍦 Soapstone feels smooth and is often used in products like talcum powder to provide a soft and smooth texture.

Questions & Answers

Q: What is the statue of Christ the Redeemer in Rio de Janeiro made of?

The statue is made of soapstone, a soft rock similar in composition to talc. It is sturdy enough due to the concrete reinforced with iron and steel rods inside.

Q: How is soapstone different from talcum powder?

Soapstone is formed under high pressure and temperature, transforming it into a stronger rock. While both soapstone and talcum powder are composed of magnesium silicate, soapstone is more durable and suitable for sculpting.

Q: What protects the statue of Christ the Redeemer from lightning strikes?

The statue has several lightning conductors made of copper to safely conduct electricity down without damaging the soapstone structure.

Q: Why is the base of the statue covered in marble instead of soapstone?

Marble, which is calcium carbonate, is much harder than soapstone and less prone to scratches. Using marble prevents people from etching their names onto the base of the statue.

Summary & Key Takeaways

• The statue of Christ the Redeemer in Rio de Janeiro is made from soapstone, a soft rock that is similar in composition to talc.

• Soapstone is easy to sculpt and cut, making it ideal for creating intricate details on the statue's surface.

• The statue has multiple lightning conductors made of copper to protect it from lightning strikes.