Product Description
Raw, Weighing 0.608 kg (six hundred and eight grams)
MOHS HARDNESS: 8,5
Relative Density: 2,6-2,8
DICROISMO: Deep Green/Red Green
Refractive Index: not found
Rayonnement Ultraviolet : inert
Clivagae: unobserved
Chelsea Filter: brown
Fracture: ( inclusions allant en couleur) : Observed with small proportions