3.1/4" Obsidian Core, Pre-Columbian

3.1/4" Obsidian Core, Pre-Columbian

8 3/8" Obsidian Core. Pre-Columbian, MX. Used for bladelet manufacture. Largest we've offered

3 1/2" Obsidian Core Pre-Columbian, Ex Glenn Leesman

3.7/8" Obsidian Core, Pre-Columbian

2 15/16" Obsidian Core, Pre Columbian, Mexico Ex Bengt Soderbert, Ex Chris Leandro

3 1/4" Obsidian Blade Core, Pre-Columbian

Lot of Obsidian Core Bladelets, Pre-Columbian, Fine, Longest 3.5/8"

Obsidian Core, Fine, Pre Columbian, 3 5/8â€

3 1/4" Obsidian Blade Core, Pre-Columbian

2†Pre Columbian Obsidian Core, Belize, Mayan

Pre-Columbian, Mexico City, Mexico, ca. 1000 to 1500 CE. Perhaps the second or third best examples of an obsidian core we have seen - including examples in several museums! Black volcanic glass lookin

HUGE 7" LONG PRE COLUMBIAN MAYAN OBSIDIAN CORE, GREAT LARGE EXAMPLE, MEXICO

Pre-Columbian, Central Mexico, Aztec, ca. 1000 to 1500 CE. Three obsidian cores from which dozens of micro-blades would have been knapped. Micro blades were used by the ancient Meso-Americans for surg

Pre-Columbian Obsidian Core, 7 1/4 inches

Pre-Columbian, Central Mexico, Aztec, ca. 1000 to 1500 CE. Three obsidian cores from which dozens of micro-blades would have been knapped. Micro blades were used by the ancient Meso-Americans for surg

Pair of Pre Columbian Obsidian Core Blades 4 3/4 & 4 5/8 inches

A collection of Teotihuacan obsidian cores and blades from Mexico, ca. 250 – 700 AD. The core range from 3-3/8 in to 4-3/8 in in length and were used to create the razor-sharp prismatic blades so hi

4 3/4" Large Mayan Obsidian Core, Guatemala ca.

Large Precolumbian Obsidian Core 9" Long w/ Paralell Fluted Surface from Blades Struck from it

11 3/16" Pre-Columbian Red Mahogany Obsidian Core

By 1958, the owner remembers this in the family home. From 500-1500 years old, likely Mexican, Obsidian with smooth facets, losses to tip end and top, otherwise intact. 2 3/8" tall by 1/2" wide. A ver

Pre-Columbian, Valley of Mexico, Aztec culture, ca. 1200 to 1532 CE. Two hand-knapped obsidian objects from the ancient Aztecs. First is a slender conical core with several vertical grooves coursing b

Large 10" Mayan Blade and 19 Obsidian Core Blades and cores (1 1/2" to 4 1/2"). Very nice. Ex-Glenn McQuaide

Pre-Columbian, West Mexico, Colima, ca. 300 BCE to 300 CE. A collection of 4 obsidian stone cores, all displaying nice signs of use. Each core exhibits vertical grooves from the knapping process and a