Black Obsidian Stone Specimen Dragon Glass Volcanic glass 402g Certificate - DG2

Description

The specimen in the photo is the one you will
receive.
130mm x 85mm x 45mm
402g With Certification
This comes with a stand.
A strongly protective stone, Obsidian forms a shield against negativity, providing a grounding cord from
the base chakra to the center of the earth. It absorbs negative energy from the environments and blocks
psychic attack and negative spiritual influences.
Obsidian brings clarity to the mind and clears confusion.
Obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes.
Obsidian is extremely rich in silica (about 65 to 80 percent), is low in water, and has a chemical composition similar to rhyolite.
Obsidian has a glassy lustre and is slightly harder than window glass.
Though obsidian is typically jet-black, the presence of hematite (iron oxide) produces red and brown varieties,
and the inclusion of tiny gas bubbles may create a golden sheen. Other types with dark bands or mottling in grey, green, or yellow are also known.
Obsidian generally contains less than 1 percent water by weight. Under high pressure at depth,
rhyolitic lavas may contain up to 10 percent water, which helps to keep them fluid even at a low temperature.
Eruption to the surface, where pressure is low, permits rapid escape of this volatile
water and increases the viscosity of the melt. Increased viscosity impedes crystallization, and the lava solidifies as a glass.
The specimen in the photo is the one you will
receive
Thank you
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A strongly protective stone, Obsidian forms a shield against negativity, providing a grounding cord from  Obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes.  Obsidian is extremely rich in silica (about 65 to 80 percent), is low in water, and has a chemical composition similar to rhyolite.  Though obsidian is typically jet-black, the presence of hematite (iron oxide) produces red and brown varieties,  and the inclusion of tiny gas bubbles may create a golden sheen. Other types with dark bands or mottling in grey, green, or yellow are also known. rhyolitic lavas may contain up to 10 percent water, which helps to keep them fluid even at a low temperature.  water and increases the viscosity of the melt. Increased viscosity impedes cr