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Obsidian
Object/Artifact
-
International Museum of Art & Science
Name/Title
Obsidian
Entry/Object ID
1970.03.127
Description
Obsidian (volcanic glass) rainbow, California Hardness: 6 Orthoclase Luster: Vitreous Rock Type: Igneous Specific Gravity: 2.4
Dimensions
Height
1-1/2 in
Width
2 in
Length
4 in
