SKU: B_38_0022
A miniature showcasing a vertical crystal of bicolor tourmaline. The column is characterized by very distinct color zoning: its main part has a saturated green hue, which transitions to a colorless, transparent tip at the apex. The crystal has a nicely developed termination with a good, glassy luster. Main Features: color zoning (green bottom, colorless top); glassy termination. Condition: Very good - the tourmaline crystal is preserved in very good condition with a natural, mechanically unaltered tip.
Price: 32 EUR (139 PLN)
Availability: In stock
Location: -, Afghanistan
Size: 13 x 10 x 21 mm
Weight: 2.6 g
Chemical formula: (Na,Ca)(Li,Mg,Fe,Mn,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Mohs hardness: 7-7.5