Pica Glass
Meteorite Impact Melt Glass
15.9g Individual
Classification: Impact glass / tektite
Location: Atacama Desert in northern Chile
History:
Originally discovered in 2012, Pica glass is an impact glass/tektite that is found only along a 47 mile stretch of the Atacama Desert in northern Chile, near the town of Pica.
This impact glass was formed when an asteroid or comet hit the surface of the earth like a huge atomic bomb.
The surface was partially or totally melted forming the glass. Pica glass is notably lightweight and has many folds, twists and flow lines that accentuate its attractive, semi-translucent color.
Pica glass contains abundant silt-sized and finer meteoritical particles that occur as individual phases and
complex assemblages typically associated with vesicles. They range from buchwaldite (NaCaPO4),
Ni-bearing troilite (FeS), and oldhamite (CaS) to rock fragments composed of Mg-Fe silicates,
corundum-bearing perovskite (CaTiO3), and serpentinite.
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GMA #G0049
Global Meteorite Association Member