Columbianite A+ 24.7g
€ 239,00Price
Value: 239€
Quantity: 24.7g
Quality: A++
Origin: Atmospheric projectile volcanic eruption (30 mil.)
Hardness: 6 Mohs
Chemical composition: SiO2 + Al2O3
Damage: Undamaged
Locality: Valle del Cauca, Colombia
Dimensions: 3.2cm x 3.2cm x 2.1cm