Coarse Grained Gabbro Volcanic Rock – 10 Raw Pieces Mineral Specimen
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Coarse Grained Gabbro Volcanic Rock – 10 Raw Pieces Mineral Specimen

$12.71

Coarse Grained Gabbro Volcanic Rock – 10 Raw Pieces Mineral Specimen

10 in stock

Description

Coarse Grained Gabbro Volcanic Rock, 10 Pieces

Each Rock Measures Approx. 1-2 Inches in Length
by American Educational Products

Formed when molten magma has been trapped beneath the Earth’s surface and slowly cools to a holocrystalline mass, Gabbro is highly concentrated within the oceanic crust around the third layer, which constitutes approximately two-thirds of the oceanic crusts volume and is nearly 5km thick.

It is typically coarse grained, with crystals roughly 1mm or greater in size. Finer grained Gabbro does exist, though it is called diabase or microgabbro. Each rock measures approx. 1 to 2 inches in length.

Origin: WY

Additional Information
Weight 0.227 kg
Manufacturer

American Educational Products

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