What Can Break Obsidian? A Comprehensive Guide
Obsidian is a volcanic glass that is formed when lava cools rapidly. It is a very strong material, but it can be broken by a variety of factors, including mechanical stress, thermal shock, chemical attack, and weathering.
Mechanical Stress
Mechanical stress is the most common cause of obsidian breakage. This type of stress can be caused by a variety of factors, including:
- Impact: Obsidian can be broken if it is hit by a hard object, such as a hammer or a rock.
- Compression: Obsidian can also be broken if it is compressed, such as when it is stepped on or crushed.
- Tension: Obsidian can be broken if it is stretched or pulled, such as when it is used to make a bowstring.
Thermal Shock
Thermal shock is another common cause of obsidian breakage. This type of stress can occur when obsidian is exposed to a sudden change in temperature, such as when it is heated or cooled too quickly.
Thermal shock can cause obsidian to crack or shatter. It is important to note that obsidian is more susceptible to thermal shock than other types of glass, such as borosilicate glass.
Chemical Attack
Obsidian can also be broken by chemical attack. This type of attack can occur when obsidian is exposed to certain chemicals, such as acids or bases.
Chemical attack can cause obsidian to dissolve or corrode. It is important to note that obsidian is more resistant to chemical attack than other types of glass, but it can still be damaged by certain chemicals.
Weathering
Weathering is another factor that can cause obsidian to break. This type of damage can occur when obsidian is exposed to the elements, such as rain, wind, and sunlight.
Weathering can cause obsidian to become pitted or scratched. It can also cause obsidian to lose its luster.
How to Protect Obsidian
There are a number of things that you can do to protect your obsidian artifacts and jewelry from breakage.
- Handle obsidian with care. Avoid dropping or hitting obsidian objects.
- Do not expose obsidian to sudden changes in temperature. Allow obsidian to cool or warm gradually.
- Keep obsidian away from chemicals, such as acids or bases.
- Store obsidian in a cool, dry place.
Conclusion
Obsidian is a strong material, but it can be broken by a variety of factors. By understanding the different ways that obsidian can break, you can take steps to protect your obsidian artifacts and jewelry.
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