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Mini Obsidian Egg
Approximate size of the piece: 3x2cm
Approximate weight: 15-20gr
Provenance: Mexico
The pieces that will be delivered are similar to the ones in the pictures
Obsidian is a natural glass of volcanic origin formed at the moment of solidification of the lava when it cools very quickly. It is usually black although it can have brown, green and reddish tones due to the presence of magnetite or hematite (iron oxide). It can also contain spherical inclusions of other minerals of grayish tones, characteristic that gives it the name of Nevada Obsidian. Sometimes golden or silver reflections can be seen, as a result of the gas bubbles or pores it may contain.
Because of its fracture properties and hardness (5-5.5 on the Mohs scale), obsidian was used by ancient cultures to make tools, weapons and ornamentation.
Click here to learn more about obsidian.
