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Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Vesicular Basalt Ah-ah

Basalt is a common extrusive igneous(volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon. Flood basalt describes the formation in a series of lava basalt flows.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Tephra

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]

Tephra horizons in south-central Iceland. The thick and light coloured layer at the centre of the photo is rhyolitic tephra from Hekla.

Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Tephra

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]

Tephra horizons in south-central Iceland. The thick and light coloured layer at the centre of the photo is rhyolitic tephra from Hekla.

Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Tephra and Sulfur

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]

Tephra horizons in south-central Iceland. The thick and light coloured layer at the centre of the photo is rhyolitic tephra from Hekla.

Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Solidified Sulfur flow with Tephra

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]

Tephra horizons in south-central Iceland. The thick and light coloured layer at the centre of the photo is rhyolitic tephra from Hekla.

Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Popcorn Tephra

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]

Tephra horizons in south-central Iceland. The thick and light coloured layer at the centre of the photo is rhyolitic tephra from Hekla.

Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.

Red Scoria from Rangitoto, New Zealand
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Pumice, Tongariro, New Zealand

Mount Tongariro (/ˈtɒŋɡəˌrɛ.roʊ/; Māori pronunciation: [tɔŋaɾiɾɔ]) is a compound volcano in the Taupo Volcanic Zone of the North Island of New Zealand. It is located 20 kilometres (12 mi) to the southwest of Lake Taupo, and is the northernmost of the three active volcanoes that dominate the landscape of the central North Island.