Columbianite Lightning Stone Pseudo Tektite Specimen

• Material: Columbianite
  
• Location: Columbia
  
• Size: 2cm x 1.5cm x 1.8cm
  
• Weight: Approx 6g

Note: A rare, roughly 30-million-year-old natural black obsidian glass found in Colombia, often classified as a pseudo-tektite.