Macusani, Carabaya Province, Puno, Peru

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Macusani in Puno department, about 150 km north of Juliaca. Macusanite (transparent brownish obsidian) occurs in ignimbrites of Miocene-Pliocene age.

Ref: J. Hyrsl (2012) Gemstones of Peru, p. 86

Gemstone List

Glass var: Macusanite