Marthozite shows pleochroism from yellowish brown to greenish yellow.
2.
Marthozite is orthorhombic, meaning that it has three axes of unequal lengths all orthogonal to each other.
3.
Since it is orthorhombic, marthozite is biaxial, meaning that it has three different indices of refraction.
4.
It can be found alongside other very rare selenium-bearing uranium ores, such as haynesite, guilleminite, marthozite and piretite.
5.
"' Marthozite "'is an orthorhombic mineral that has a general formula of Cu ( UO 2 ) 3 ( SeO 3 ) 3 ( OH ) 2 ?H 2 O . It was named after French mineralogist Aime Marthoz, former Director-general of the Union Miniere du Haut Katanga.
मोबाइल