NAGSM-AGATE SLAB ON STAND ASSORTED COLOURS

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  • Regular price $10.95 CAD

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MFR. No. : NAGSM
STOCK No. : 7041-EB1
Agate is in the quartz family composed primarily of microscopic crystallized silica (SiO2). It has curved bands or zones of differing color. Some agate slices are treated with different compounds and heated to give them brilliant blue green and red colors. These specimens have been sawed and polished.Each Agate Slice is unique and will vary in shape size and appearance. No two specimens will be exactly alike.
When the Earth's crust was being formed and was still in a molten state gas pockets and cavities formed in relatively low temperature volatile magma. After the magma cooled and hardened into rock the hollow cavities became filled with high-temperature mineral-rich fluids. Layers of agate deposited from the fluids began to form usually following the shape of the cavity.
Agate Slice approximately .25-inch thick x 3.5 inches diameter. Colors vary.
Origin: South America
Ages: 8 and up