Origin: Alchuri, Shigar Valley, Pakistan
Sample size: 1.2 x 1 x 0.9 cm
Photo courtesy of:
Rob Lavinsky
Origin: Venturinha, Portugal
Sample size: 2 x 4 cm
Reddish-brown greasy in pegmatite matrix
Origin: Kara-Su, Kyrgystan
Sample size: miucromount
Origin: Mangualde, Portugal
Sample size: ca. 7 x 7 cm
Photo courtesy of: