Topazi

Topazi ni madini ambayo kikemia fomula yake ni Al2SiO4(F,OH)2. 

Ni kati ya madini magumu zaidi (8/10). Kutokana na ugumu na uangavu wake, pamoja na rangi zake mbalimbali, imetumika sana kama kito.

Inatajwa na Biblia pia.

Tanbihi

Viungo vya nje

 Topaz —International Colored Gemstone Association 
 Topaz and other minerals found at Topaz Mountain, Juab County , Utah Geological Survey

Jamii:Madini