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Malachite after Cuprite – Chessy lesmines, Rhone, France

 

Magnificently crystalized pseudomorphoses from malachite after cuprite with skeletonized surfaces. Crystals from the classic Chessy site in France are extremely rare and sought after as no new material is being recovered.

 

These crystals are mostly transformed into copper carbonates.

In part, however, only superficially. A small, unconverted core of cuprite can also be found in the malachite. And a few are completely in malachite

transformed pseudomorphoses.

The malachite forming the pseudomorphoses is never needle-like. It has more of a porcelain-like appearance.

The most common habit is the octahedron, sometimes by indenting the face

skeletal.

However, the rhombic dodecahedron with completely smooth surfaces can also be found.

Some rhombic dodecahedral crystals are elongated along a threefold axis and form

so pseudotrigonal crystals.

Today pseudomorphoses from malachite to cuprite are hardly in Chessy, but rather

found in old collections.

Malachite after Cuprite – Chessy lesmines, Rhone, France

SKU: 22.07.50
€0.00Price
VAT Included |
  • size

    1.2cm x 1.1cm x 0.9cm 

  • locality

    Chessy lesmines, Rhône, France

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