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Libyan Desert Glass & Cristobalite

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HAN804922

Libyan Desert Glass & Cristobalite

Rare Mineral

Description Tabs

Description
Locality: 
Great Sand Sea, Western Desert, Giza, Egypt
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 2.2 × 0.6 cm
Weight: 
1.10gr
Description

Translucent yellow  specimen with cristobalite inclusions and weathered surface /dimples. Some geologists associate the glass with radiative melting from meteoric large aerial bursts, making it analogous to trinitite created from sand exposed to the thermal radiation of a nuclear explosion. Libyan Desert glass has been dated as having formed about 26 million years ago. 

Mineral Data
What's on the rock

Cristobalite

Formula: 
SiO2
Strunz: 
4.DA.15
Crystal System: 
Tetragonal - Trapezohedral
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the shipping and the e-Rocks listing  fees.

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