Apache Tear

Physical Properties

Hardness: 5-5.5 (Mohs), Color: Dark brown or black (translucent when held to light), Luster: Vitreous/glassy, Crystal Structure: Amorphous (non-crystalline), Cleavage: None (conchoidal fracture), Specific Gravity: 2.3-2.5

Formation & Geological History

Formed through the rapid cooling of rhyolitic lava. Apache tears specifically are rounded pebbles of obsidian that have been weathered and embedded in a gray perlite matrix.

Uses & Applications

Mostly used for jewelry (pendants and beads) and as collector specimens. Historically used for making sharp tools and arrowheads.

Geological Facts

According to legend, the pebbles are the frozen tears of Apache women mourning their warriors who leapt to their deaths from a cliff to avoid capture by the US Cavalry.

Field Identification & Locations

Identify by its 'chip' or conchoidal fracture pattern and its transparency when held against a light source. Commonly found in the American Southwest, particularly Arizona and Nevada.

Identified on: 4/19/2026

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