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M302 Apache Tear

M302 Apache Tear

$10.00

Here is something different for the mineral collector.  This is an Apache Tear or Obsidian specimen in Perlite matrix from Arizona. The Apache Tear measures approximately 1″ x 1 1/4″in the matrix that is 2″ x 1 5/8″ x 1 1/2″.  The Apache Tear has has a vivid Black color contrasting with the gray Perlite. This material has a unique shape and lots of character.

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

Weight0.25 lbs
Dimensions2 × 1.625 × 1.5 in

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