Olivine Basalt

Photographed by Michael P. Klimetz

HAWAII

Photographed by Michael P. Klimetz

[Vesicular]

REUNION ISLAND

Photographed by Michael P. Klimetz

Cerro Negro

NICARAGUA

Photographed by Michael P. Klimetz

[Vesicular with Olivine Phenocrysts]

Mauna Loa

HAWAII

Photographed by Michael P. Klimetz

[Vesicular with Olivine Phenocrysts]

Mauna Loa

HAWAII

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