Mineral: Topaz
Locality: Katlang, Mardan District, Khyber Pakhtunkhwa, Pakistan
Dimensions: (5.5 x 2.05 x 0.9 cm)

Description: Image of topaz under SW UV lamp. Topaz displays blue-white fluorescence and the matrix displays some green fluorescence.

All pictures, text, design © Forum FMF 2006-2024