SKU: B_40_0016
Saturated, green crystals have grown in direct proximity to light quartz. Translucent fragments reveal a deep, emerald color, clearly contrasting with the whitish matrix. The whole specimen is characterized by a strong vitreous luster on the fracture surfaces. Main features: intensely green color; clear contrast with the light quartz matrix; good light permeability. Condition: Fair.
Price: 20 EUR (89 PLN)
Availability: In stock
Location: -, Afghanistan
Size: 40 x 29 x 22 mm
Weight: 28.4 g
Chemical formula: (Na,Ca)(Li,Mg,Fe,Mn,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Mohs hardness: 7-7.5