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Obsidian is actually a naturally occurring volcanic rock. It has a glass-like appearance and is formed when lava from the volcano solidifies so quickly that it bypasses the crystallisation process.

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What is the mathematical value of obsidian in calculating capacity?

In the normal calculation of capacity (meaning volume), obsidian has no value at all.


Can obsidian float on water?

Obsidian cannot float on water. It has a specific gravity about 2.5, meaning it is about two and one-half times as heavy as water and will sink if immersed.


Is obsidan a sedimentary rock?

No. It is an igneous rock, meaning it cooled from molten rock. Specifically, obsidian is volcanic.


Is obsidian malleable?

No. Obsidian is brittle.


What is a type of obsidian?

One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.


Why is obsidian not classified as a mineral?

Obsidian is not classified as a mineral because it lacks a crystalline structure. While minerals are defined by their orderly, repeating atomic arrangements, obsidian is an amorphous solid, meaning its atoms are arranged randomly. Additionally, obsidian is a volcanic glass formed from rapidly cooled lava, further distinguishing it from true minerals, which typically form through crystallization from molten rock or other geological processes.


What are the minerals in obsidian?

Obsidian is, itself, a mineral.


Is obsidian a crystal?

yes obsidian is a crystal.


Is obsidian glass?

Obsidian is a natural glass.


Is obsidian metamorphic igneous or sedimentary?

Obsidian is an igneous rock.


Is obsadian permeable?

Obsidian is a naturally occurring volcanic glass and is not permeable, meaning that water and other fluids cannot easily pass through it. This property makes obsidian a popular material for making sharp tools and weapons in the past.


What is the scientific name for obsidian?

Other names for obsidian is Apache tears, volcanic glass, and Black obsidian.