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Red Scoria from Rangitoto, New Zealand
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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
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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.

Emerald Ash Borer
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Price range: $19.00 through $400.00
Emerald Ash Borer

Agrilus planipennis, commonly known as the emerald ash borer is a green jewel beetle native to eastern Asia that feeds on ash species. In its native range, it is typically found at low densities and is not considered a significant pest.

(Holotype) Darwinilus sedaris (only known sample in existence), Collected by Charles Darwin in 1832 from Argentina, South America
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Price range: $19.00 through $400.00
(Holotype) Darwinilus sedaris (only known sample in existence), Collected by Charles Darwin in 1832 from Argentina, South America

Sample provided by Max Barclay of the Natural History Museum in London and described by Stylianos Chatzimanolis of the University of Tennessee.

Darwinilus sedarisi is a species of rove beetle, the only species in the genus Darwinilus. It is named after Charles Darwin and David Sedaris. It is found in Argentina. A specimen of the beetle was collected by Charles Darwin in 1832 during the voyage of the HMS Beagle, but not formally named as a new species until 2014

Imaged at Entomology 2014 in Portland, OR.