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glassy clear topaz crystal from Thomas Range
Dimensions: 18x18x10 mm / 0
Stilbite is perhaps the most popular zeolite mineral for collectors
Indochinites are believed to have formed around 780
Libyan Desert Glass | Natural Impact Glass | 41.8 Grams | Authentic Impactite Morganite glassy clear topaz crystal fromThis is a rare and fantastic 41. 8 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 44x38x24 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
