SKU: B_38_0041
The specimen takes the form of an extremely dense, multidirectional cluster composed of several dozen tourmaline crystals. They exhibit a mint-green hue. The mass is intergrown with a fine-grained, snow-white matrix that fills the spaces between the columns. Main Features: dense concentration of many crystals; mint-green color; multidirectional, chaotic arrangement; intergrowths with snow-white matrix. Condition: Average - most of the exposed tourmaline crystals have distinct transverse breaks.
Price: 18 EUR (79 PLN)
Availability: In stock
Location: -, Afghanistan
Size: 35 x 26 x 20 mm
Weight: 14.7 g
Chemical formula: (Na,Ca)(Li,Mg,Fe,Mn,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Mohs hardness: 7-7.5