Chert Flake Value Guide

A Chert Flake is a significant lithic artifact produced during the prehistoric knapping process, where silica-rich stone was struck to create sharp cutting edges. These specimens are highly collectible as they represent the direct evidence of ancient tool production sequences and technological skill.

What affects the value of Chert Flake?

• The presence of secondary retouching or use-wear significantly increases the value over simple debitage.
• Rare material colors or high-quality translucent flint can command higher prices from collectors.
• Diagnostic features that link the flake to a specific knapping technique or cultural tradition enhance desirability.
• The overall size and completeness of the flake, including an intact platform and bulb of percussion.

How to Identify Chert Flake?

• Look for a distinct bulb of percussion near the platform where the stone was originally struck.
• Examine the edges for intentional retouching or microscopic wear patterns consistent with scraping or cutting.
• Identify the material as chert or flint, characterized by a waxy luster and a conchoidal fracture pattern.
• Check for dorsal scars which indicate previous flakes were removed from the same core.

History of Chert Flake

Flaked stone tools and flakes are the remains of prehistoric knapping where people struck tough, glassy rocks to produce sharp edges for cutting or scraping. Such flakes were produced worldwide from the Paleolithic through historic times; archaeologists study them to understand technology, raw material use and tool production sequences. Individual flakes can be diagnostic of specific knapping techniques and cultural traditions.