Harvia Black Vulcanite Stones (5-10 cm)

Harvia Black Vulcanite Stones (5-10 cm) are small granular, dark grey stones. When wet, the stone shines black making it a great-looking option with selected Harvia heaters. The stone’s volcanic origins date back to ca. 2000 million years. Based on its structure and composition, vulcanite is a good choice for a sauna stone as it is hard and durable.

• Stylish vulcanite sauna heater stone. Shines black when wet.
• For large electric heaters and to all wood burning heaters
• Split-face stones store plenty of heat, making the water thrown onto them vaporise efficiently on the broad fracture surface
• The split-face stones are easy to stack and enable good air circulation
• Excellent resistance to heat fluctuations and thermal conductivity. Good stone gravity and heat storage capacity.
• Color and stone species: Dark grey vulcanite
• Stone size 5-10 cm and box weight 20 kg
• Does not contain harmful ingredients
• Check the right stone size for your heater from the heater manual