एक पीला तांबा अयस्क (cufes2)

Noun:

ताँबे की कच्ची धातु,

chalcopyrite's Usage Examples:

The mineral is especially liable to surface alteration, tarnishing with beautiful iridescent colours; a blue colour usually predominates, owing probably to the alteration of the chalcopyrite to covellite (CuS).

Twinning according to the second law can only be explained by reflection across the plane (roi), not by rotation about an axis; chalcopyrite affords an excellent example of this comparatively rare type of symmetric twinning.

Chalcopyrite crystallizes in the tetragonal system with inclined hemihedrism, but the form is so nearly cubic that it was not recognized as tetragonal until accurate measurements were made in 1822.

Agricola; chalcopyrite (from XaXK6s, " copper," and pyrites) was proposed by J.

COPPER-PYRITES, or Chalcopyrite, a copper iron sulphide (CuFeS2), an important ore of copper.

Blende occurs in metalliferous veins, often in association with galena, also with chalcopyrite, barytes, fluorspar, 'c. In oredeposits containing both lead and zinc, such as those filling cavities in the limestones of the north of England and of Missouri, the galena is usually found in the upper part of the deposit, the blende not being reached until the deeper parts are worked.

The copper probably exists as disseminated chalcopyrite.

The presence of copper, nickel and arsenic is possibly due in many cases to traces of kindred minerals, like chalcopyrite, pentlandite and mispickel.

From copper-pyrites (chalcopyrite) iron-pyrites is distinguished by its superior hardness and by its paler colour.

The copper is mostly a copper glance passing into chalcopyrite; it is found in fissure veins with granite.

chalcopyrite's Meaning':

a yellow copper ore (CuFeS2

Synonyms:

atomic number 29, copper, mineral, copper pyrites, Cu,

Antonyms:

insulator, organic,