Geography4Kids.comReal World Examples
 

MAHOGANY OBSIDIAN



Example Type:
Rock

Information:
Specimen Type: Igneous
Major Elements: Multiple Minerals
Record Date: 01.11
Specimen Source: United States, North America
Photo 1: Polished Sample

Notes:
Obsidian is mainly made up of glass. It's formed in areas near volcanic activity. This variety of Obsidian has impurities in the pure black glass.
Mahogany Obsidian Sample




Related Links
Geography4Kids: Earth Structure | Rock Types | BGC Cycles | Rock Cycles
Chem4Kids.com: Matter | Solids
 
> Obsidian, Nahogany
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