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How Basalt Fiber Is Made

Basalt fiber thread Maarcora.

Stone, Elevated

Basalt fiber begins as volcanic stone, heated to 1,400°C until it becomes molten.
It is then drawn into continuous filaments, transforming solid rock into an advanced composite.

Because basalt is naturally rich in silica and iron, it needs no chemical additives.
Its properties are entirely natural, enhanced only by human craft and engineering.

This purity is what gives MAARCORA pieces their:

  • deep, matte texture

  • structural integrity

  • long-term endurance

  • “architectural” feeling in both standing and hanging forms

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