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25 on the Mohs scale
Dimensions: 60x42x46 / 2
Comes with a Canagem® specimen card
many man-made steels barely score a seven on the hardness scale
Bahia in Brazil
Libyan Desert Glass | Natural Impact Glass | 7.8 Grams | Authentic Impactite Gibeon 25 on the Mohs scaleThis is a rare and fantastic 7. 8 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 30x20x14 mm. Although its exact origin is still debated, the leading theory suggests it was formed by a high energy event, such as a meteoric impact or airburst, that melted the desert sand directly where it lay, without being ejected into the atmosphere and re entering. This results in different physical characteristics compared to tektites. Libyan
US$ 999.50
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