Columbianite A+ 6.3g
€ 41,00Price
Value: 41€
Quantity: 6.3g
Quality: A+
Origin: Atmospheric projectile volcanic eruption (30 mil.)
Hardness: 6 Mohs
Chemical composition: SiO2 + Al2O3
Damage: Undamaged
Locality: Valle del Cauca, Colombia
Dimensions: 2.0cm x 1.7cm x 1.6cm