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SP108 Silver Sheen Obsidian Sphere

SP108 Silver Sheen Obsidian Sphere

$36.00

Here is something different for the sphere collector!  This is a gorgeous, Silver Sheen Obsidian sphere with a smooth, highly polished mirror like finish as well as cool sheens on both sides. This sphere measures 2 1/4″ in diameter and has a character all it’s own. 

In stock

Description

Obsidian is a type of naturally-occurring glass formed as an extrusive igneous rock.  It is produced when felsic lava erupted from a volcano, cools rapidly through the glass transition temperature and freezes without sufficient time for Crystal growth.  Because of the lack of Crystal structure, Obsidian blade edges can reach almost molecular thinness, leading to its ancient use of projectile points (arrow heads), and its modern use as surgical scalpel blades.

Additional information

Weight.75 lbs
Dimensions2.25 × 2.25 × 2.25 in

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