SKU: P_26-1_04
A classic, clear pegmatitic association, valued mainly for the aesthetic contrast of the black tourmaline crystals against the light albite matrix. A specimen with a distinctly collectible character. Numerous well-formed schorl crystals with sharp edges and preserved faces, set on a massive albite matrix. Visible minor chips and natural irregularities.
Price: 27 EUR (119 PLN)
Availability: In stock
Location: Erongo Mountains, Erongo Region, Namibia
Size: 36 x 30 x 33 mm
Weight: 26.2 g
Chemical formula: NaFe₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₄
Crystal system: Trigonal
Mohs hardness: 7.0