igneous
Apache Tear
Obsidian (Volcanic Glass)
Hardness: 5 to 5.5 on the Mohs scale; Color: Dark brown to black, translucent when backlit; Luster: Vitreous (glassy); Crystal structure: Amorphous (non-crystalline); Fracture: Conchoidal; Specific gravity: 2.35 to 2.40.
- Hardness
- 5 to 5
- Color
- Dark brown to black, translucent when backlit
- Luster
- Vitreous (glassy)
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Physical properties
Hardness: 5 to 5.5 on the Mohs scale; Color: Dark brown to black, translucent when backlit; Luster: Vitreous (glassy); Crystal structure: Amorphous (non-crystalline); Fracture: Conchoidal; Specific gravity: 2.35 to 2.40.
Formation & geological history
Formed from rapidly cooling felsic lava (rich in silica) associated with volcanic eruptions, typically found as rounded nodules within a grey perlite matrix.
Uses & applications
Used in metaphysical practices, lapidary arts, jewelry, and as a popular specimen for rock collectors.
Geological facts
Legend says that Apache Tears are the petrified tears of Apache women mourning warriors who plunged to their deaths rather than surrender to the US Cavalry.
Field identification & locations
Easily identified by its dark, rounded, pebble-like appearance, glassy texture, and brownish translucency when held up to a bright light. Commonly found in the western United States, particularly Arizona and Nevada.
