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Kolumbianische Smaragde Muzo (grüne Beryllsorte) Raue durchscheinende Edelsteine – 60,50 ct. - Höhe: 30 mm - Breite: 10 mm- 12.1 g
Nr. 83088645
Nr. 83088645
Colombian pseudo-tektites are such clean that they are even suitable for faceting!
About Colombianite
Colombianite pseudo-tektites are found in the departments of Antioquia and Caldas in Colombia.
Formation
The type of rock that constitutes a Colombianite pseudo-tektite is called quartz porphyry. This type of rock is made up of large crystals of quartz embedded in a smaller quantity of feldspar. The quartz crystals give the rock a glassy appearance, and the overall composition is similar to that of granite.
/Every piece comes from my own collection./
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