White translucent libya glass. Almost pure lechatelerite (am - Lot 428

Lot 428
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Estimation :
180 - 250 EUR
White translucent libya glass. Almost pure lechatelerite (am - Lot 428
White translucent libya glass. Almost pure lechatelerite (amorphous silicon dioxide SiO2). L approx. 6cm. Approx. 71g. Pure siliceous sand vitrified by the impact of a meteorite or the disintegration of a comet. "Great sea of sand", Eastern Sahara.
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