Libyan Desert Glass Tektite - Height: 100 mm - Width: 75 mm - 246 g

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Current bid
€ 2
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Francesco Moser
Expert
Selected by Francesco Moser

Over 20 years collecting meteorites; former museum curator and experienced restorer.

Estimate  € 350 - € 400
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beBidder 3809 €2
frBidder 8206 €1

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Description from the seller

According to the latest studies (2013), it is highly likely that lybique glass (LDG) was formed.
Following the explosion in the Earth's atmosphere of a comet nucleus.
This event took place 28 million years ago ±0.8 Ma (Oligocene).
Dimensions: 100x75x40mm

Composition
SiO2 98.42%
Al2O3 1.02%
FeO 0.18%
Fe2O3 0.14%
TiO2 0.13%
Density: 2.2
Hardness: 6
Refractive index: 1.462
Melting temperature: 1700 °C

Terrestrial inclusions
Tourmaline (elbaite)
Léchiatélliierite Wollastonile
Zircons
Enstatite (MgSiO3)
Shocked quartz

Very numerous bubbles of 0.2mm diameter make the glass opaque.
This is the case for this sample.

Darker streaks of impurities and minerals (the schlieren) containing
siderophile elements (Fe, Co, Ni), and iridium.

For more information: https://planet-terre.ens-lyon.fr

According to the latest studies (2013), it is highly likely that lybique glass (LDG) was formed.
Following the explosion in the Earth's atmosphere of a comet nucleus.
This event took place 28 million years ago ±0.8 Ma (Oligocene).
Dimensions: 100x75x40mm

Composition
SiO2 98.42%
Al2O3 1.02%
FeO 0.18%
Fe2O3 0.14%
TiO2 0.13%
Density: 2.2
Hardness: 6
Refractive index: 1.462
Melting temperature: 1700 °C

Terrestrial inclusions
Tourmaline (elbaite)
Léchiatélliierite Wollastonile
Zircons
Enstatite (MgSiO3)
Shocked quartz

Very numerous bubbles of 0.2mm diameter make the glass opaque.
This is the case for this sample.

Darker streaks of impurities and minerals (the schlieren) containing
siderophile elements (Fe, Co, Ni), and iridium.

For more information: https://planet-terre.ens-lyon.fr

Details

Name of meteorite
Libyan Desert Glass
Type of meteorite
Tektite
Weight
246 g
Origin (Region/ City)
Sand desert Egypt Libya
Country of Origin
Egypt
Height
100 mm
Width
75 mm
Depth
40 mm
Sold by
FranceVerified
Private

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