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CHA-OBS-01
Origin: Mexico
Grade: A
Obsidian is a silica-rich volcanic rock. Different types of obsidian exist, varying due to the rock's chemical composition. Obsidian is actually a natural glass, formed during a silica-rich lava eruption with less than 3% water. Upon exiting the volcano, it cools very rapidly, freezing the crystallization process.
This can be likened to a piece of lava suddenly solidified as it emerges from the volcano. The direct consequence of this phenomenon is the rock's inability to crystallize. The result is the creation of volcanic glass with a uniform texture, qualified as an amorphous mineral. Furthermore, obsidian has sharp edges and very fine blades. It is a natural mineral with a complex composition. Thus, obsidian is mainly composed of silicon dioxide, about 70% or more. Its fracture is conchoidal (i.e., grooved with curved and concentric striations) and its hardness is 5 to 5.5 on the Mohs scale. It has different colors and reflections due to the volcano where it was discovered and its various inclusions. It should be noted that each deposit, linked to a volcano, provides a different obsidian. Green, brown, gray, or black, it can sometimes have golden, silvery, or even rainbow reflections (an effect produced by the presence of hematite or magnesite). Sometimes, two obsidian colors also mix. This is pure and basic obsidian. Composed of more than 70% silica, it owes its beautiful dark color to the presence of iron. It has almost no inclusions except for a few magnetite nanoparticles. During archaeological excavations, tools and weapons made of black obsidian are often discovered. The legend of young Obsid highlights the discovery of an extremely sharp black obsidian on the ground. Black obsidian is a smooth and shiny stone, similar to glass due to its shiny and reflective surface. This stone can break into fragments with curved edges. This peculiarity is ideal for making cutting objects. Nowadays, black obsidian is frequently used in the manufacture of jewelry and ornamental objects. This stone has powerful benefits in lithotherapy.An exceptional natural stone, black obsidian is renowned for its benefits. Discover our complete collection.
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Black obsidian cat Mexico A 50mm
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