Definition of "oligistic" []

• Of or pertaining to oligiste, or specular iron ore.

The Century Dictionary (Public Domain)

• "In the northern Wady el-Hárr, also, we picked up specimens of obsidian, oligistic iron, and admirably treated modern (?) slags showing copper and iron; evidently some Gypsy-like atelier must once have worked upon the Wady Yáhárr."
• "The surface of the land is scattered with fragments of white silex and fine red jasper, banded with black oligistic iron: this rock, close, hard, and fine enough to bear cutting, appears everywhere in scatters and amongst the conglomerates."
• "In the northern Wady el-Hárr, also, we picked up specimens of obsidian, oligistic iron, and admirably treated modern (?) slags showing copper and iron; evidently some Gypsy-like atelier must once have worked upon the"