SKU: P_26-5_11
The specimen features black, opaque crystals of schorl, set on a matrix composed of light-colored albite and trace amounts of hyalite. The schorl crystals have distinct faces and edges, with the larger ones visible in the upper and central parts of the specimen, reaching sizes of up to about 2 centimeters. Smaller schorl crystals are scattered across the entire surface of the matrix, creating a contrast with the light background. Main features: black, opaque schorl crystals; albite-hyalite matrix in shades of beige, gray, and white; largest schorl crystals measuring up to about 2 cm; smaller schorl crystals dispersed across the matrix. Condition: Very good.
Price: 46 EUR (199 PLN)
Availability: In stock
Location: Erongo Mountains, Erongo region, Namibia
Size: 110 x 45 x 132 mm
Weight: 490.7 g
Chemical formula: NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Mohs hardness: 7-7.5