marcasite उदाहरण वाक्य

But the clinchers were the amazing, heavy ankle bracelets set with onyx, citrine, amber and marcasite.
It forms in clay and lignite deposits as an oxidation product of pyrite and marcasite along with aluminium silicates.
The transition zone supergene sulfide phases include; violarite, smythite, covellite, chalcocite and marcasite after pyrite.
The gold deposit is a sediment-hosted disseminated sub-micron sized gold distributed in pyrite and marcasite.
However, the peels will degrade over time if they contain any iron sulfide ( pyrite or marcasite ).

This twin is very common in the marcasite of a chalky origin, particularly those from the Cap Blanc Nez.
It occurs associated with pyrite, marcasite, halotrichite, pickeringite, epsomite, potash alum, melanterite and gypsum.
They consist of metallic-appearing sulfides such as sphalerite, arsenopyrite, and marcasite embedded in opaque veins of quartz.
Marcasite also possesses homoatomic anion pairs, but the arrangement of the metal and diatomic anions is different from that of pyrite.
It also occurs as an alteration in argillaceous sediments or coal beds which contain oxidizing sulfide minerals ( pyrite or marcasite ).