Columbianite A+ 7.4g
€ 61,00Price
Value: 61€
Quantity: 7.4g
Quality: A+
Origin: Atmospheric projectile volcanic eruption (30 mil.)
Hardness: 6 Mohs
Chemical composition: SiO2 + Al2O3
Damage: 3x micro chip
Locality: Valle del Cauca, Colombia
Dimensions: 2.1cm x 1.9cm x 1.6cm