ammolite was given official gemstone status by the World Jewellery Confederation

blocky objects contain coarser-grained orthopyroxene than in the matrix

Origin:  Labrador

Dimensions:  42x34x19 mm / 1

Libyan Desert Glass | Natural Impact Glass | 12.3 Grams | Authentic Impactite | SO24 Dhofar 224 ammolite was given official gemstoneThis is a rare and fantastic 12. 3 gram Libyan Desert Glass from Kuffra, Libya, with dimensions of 39x22x15 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