SKU: B_38_0032
An extremely dense, multidirectional cluster of tourmaline crystals. The specimen is distinguished by its very intense, grass-green color. The form of the specimen is a compact aggregate of many crystals, with numerous acicular, fine formations crisscrossing on the surface. The main, tallest columns at the top of the cluster have complete, natural terminations. Main Features: dense cluster of crystals; intense green color; complete, natural terminations of the main columns. Condition: Good - the main, vertical crystals at the top are very well preserved and have complete terminations.
Price: 32 EUR (139 PLN)
Availability: In stock
Location: -, Afghanistan
Size: 19 x 19 x 22 mm
Weight: 6.9 g
Chemical formula: (Na,Ca)(Li,Mg,Fe,Mn,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Mohs hardness: 7-7.5